Cloud mining machine is divided into several categories

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2. The clouds in the sky are gorgeous and changeable
the water on the ground graally disappeared; The wet clothes in the air soon dried. Where is the water? It turns out that after they are radiated by the sun, they become water vapor and evaporate into the air. At high altitude, the cold air will condense into small water droplets, and then gather with the st and salt particles in the atmosphere to form a variety of clouds. It is estimated that about 4.5 trillion tons of water vapor evaporate from the sea and land to the atmosphere every year
the water droplets that make up the cloud are very small, with a diameter of only 0.01-0.02MM. Because they are small and light, they fall very slowly. In the process of landing, they will be lifted by the updraft at any time, or evaporated before falling to the ground, so they float in the air
the clouds we usually see have various colors, some are white, some are transparent, some are black, some are lead gray, and some are red and yellow. In fact, the clouds in the sky are all white, just because the thickness of the clouds is different, and the clouds are exposed to sunlight and show different colors
clouds have different attitudes and causes. Generally, they can be divided into three categories: cumulus cloud, stratiform cloud and wavy cloud
cumulus clouds are also called convective clouds, including light cumulus, detritus cumulus, thick cumulus and cumulonimbus. They are shaped like cotton clumps and towering mountains, formed by atmospheric convection. The indivials of altocumulus, cumulus fragmentus and cumulus Densus are isolated and scattered, and generally it will not rain. If the air convection is strong, they may further develop into clumps of cumulonimbus clouds and eventually proce rainfall
stratiform clouds include cirrus, high-level clouds and stratus rain. They cover the sky like a curtain, covering hundreds or even thousands of kilometers. This kind of cloud is most common at the interface where warm and humid air masses climb along the upper part of cold air masses. When the warm and humid air crawls along the hillside, it is easy to generate stratiform clouds. Cirrus is a kind of milky white cloud curtain, which is generally more than five or six kilometers high and composed of tiny ice crystals. The high-level cloud is a light gray cloud curtain, usually 2000-6000 meters high, composed of water droplets and ice crystals. Stratus rain is a low and uniform cloud curtain, which extends horizontally over a wide range and almost always covers the whole sky. A large number of water droplets are stored in the rain clouds, and the precipitation is often continuous
wavy clouds include cumulus, altocumulus, stratus and stratus. They are shaped like fish scales and roof tiles and are formed by the fluctuating motion of the atmosphere
according to the height of cloud, it can be divided into four cloud families, namely low cloud, medium cloud, high cloud and straight cloud. Low clouds are mostly composed of water droplets, and the height of cloud base is generally below 2500 meters; Mesoclouds are also mostly composed of water droplets, and the height of cloud base is generally 2500-6000 meters; High clouds are mostly composed of small ice crystals, and the height of cloud base is generally more than 6000 meters; The vertical cloud is composed of water droplets, supercooled water droplets and ice crystals. The height of cloud base is usually below 2500 meters. Some rectilinear clouds proce thunderstorms, sometimes accompanied by strong winds or hail.

3. The morphological classification of clouds
cloud family clouds belong to cloud class
abbreviation of scientific name
low cloud cumulus Cu light cumulus cumulus
thick cumulus Cu hum
FC
Cu Cong
cumulus CB bald cumulus
mane cumulus CB Calv
CB cap
stratocumulus SC transparent stratocumulus
stratocumulus obscurus
stratocumulus
stratocumulus
Fort stratocumulus < B R / > stratocumulus podiformis SC tra
SC OP
SC CUG
SC cast
SC lens
stratocumulus st stratocumulus
fragmentous stratocumulus st
FS
pluvial stratocumulus ns rain stratocumulus
fragmentous rain cloud ns
FN
medium cloud high-level cloud as transparent high-level cloud
light shielding high-level cloud as tra
as OP
altocumulus AC transparent altocumulus
light shielding high-level cloud
pod Cumulus like hyperccumulus
cumulus like hyperccumulus
flocculent hyperccumulus
ACTRA
AC OP
AC lens
AC CUG
AC flo
AC cast
cirrus cirrus hirsutus
cirrus Densus
cirrus pseudocirrus
cirrus hook cirrus CI fil
CI dens
Ci not
cirrus CS cirrus hirsutus
cirrus pallens
cirrus pallens CS fil
CS nebu
cumulus CC

4. Clouds are visible suspensions of water droplets, supercooled water droplets, ice crystals or their mixture formed by condensation of water vapor in the atmosphere
the formation, shape characteristics, quantity, distribution and evolution of clouds not only reflect the atmospheric movement, stability and water vapor condition at that time, but also one of the important characteristics to predict the future weather changes. The correct observation and analysis of cloud changes is an important factor to understand the atmospheric physical conditions and grasp the law of weather changes
the generation and change of cloud is very complex. Like anything else, it contains its own special contradictions, thus forming a colorful appearance and fast changing characteristics. Only by mastering these characteristics of cloud can we correctly identify cloud and continuously improve cloud observation level
the shape characteristics of clouds vary, and the reasons for their formation are different, but they have common characteristics. According to their common characteristics and practical needs, clouds are usually divided into three groups: low, medium and high according to their bottom height, and then divided into ten genera and several categories according to their shape, structure and nuclear origin<

cloud family clouds belong to cloud class
low clouds
cumulus, light cumulus
thick cumulus
cumulus
cumulus, bald cumulus
mane cumulus
stratocumulus, transparent stratocumulus
stratocumulus obscurus
cumulus
stratocumulus pallis
stratocumulus
stratocumulus
stratocumulus
stratocumulus
stratocumulus
stratocumulus
stratocumulus
stratocumulus
stratocumulus
stratocumulus Layer
medium cloud
high level cloud transparent high level cloud
light shielded high level cloud
altocumulus flocculent altocumulus
cumulus altocumulus
Fort altocumulus
pod altocumulus
light shielded altocumulus
High level cloud
cirrus
cirrus
cirrus
false cirrus
crocus
cirrus
cirrus
cirrus
thin curtain cirrus Clouds
cumulus cirrus

low clouds

low clouds are mostly composed of water droplets, while thick or vertically developed low clouds are composed of water droplets, supercooled water droplets and ice crystals. The height of cloud base is generally below 2500 meters, but it varies with seasons, weather conditions and different geographic latitudes. Most of the low clouds may proce precipitation. The rain layer clouds often have continuous precipitation, and the cumulonimbus clouds often have intermittent precipitation, sometimes with large precipitation< The indivial of cumulus is obvious, the bottom is flat, the top is convex, and the clouds are not connected; Clouds formed by convection of air and condensation of water vapor<

cumulonimbus

the cloud is thick and thick, and the cloud body is huge. It looks like a towering mountain. The top has begun to freeze, white, fuzzy outline, and some have fiber like structure. The bottom is very dark, often with rain streamers hanging down or accompanied by broken rain clouds
cumulonimbus clouds are mostly composed of water droplets, supercooled water droplets, ice crystals and snowflakes, and sometimes contain scattered particles and hail. There are strong updraft and downdraft areas in the cloud, updraft and downdraft with the velocity of tens of meters per second can be observed, and the unlating cloud bottom often appears
cumulonimbus is the peak stage of convective development. Mature cumulonimbus clouds often proce strong paroxysmal precipitation, which may be accompanied by gale, lightning and other phenomena, sometimes hail and occasionally tornado<

stratocumulus

the clouds are generally large, with great differences in thickness and shape, some in strips, some in pieces, and some in clusters. It is usually grayish white or gray, with loose structure. Thin clouds can identify the position of the sun, and thick clouds are dark. Clouds are often arranged in rows or waves< The thickness of stratocumulus generally ranges from several hundred meters to two thousand meters. Most of them are composed of water droplets with a diameter of 5-40 microns. Cumulonimbus clouds that appear in winter may also be composed of ice crystals or snowflakes
in most cases, stratocumulus is formed by condensation of water vapor e to wavy air motion and turbulent mixing. Sometimes it is formed by intense radiation cooling. Generally, it means that the weather is relatively stable, but if the stratocumulus graally thickens or even merges into a layer, it means that the weather will change. Low and thick stratocumulus often proces precipitation

stratiform cloud

the cloud body is evenly stratified, gray, much like fog, and the cloud base is very low but does not contact the ground
stratiform clouds are generally composed of water droplets or supercooled water droplets with a diameter of 5-30 microns. The thickness is generally 400-500m
stratiform clouds are formed by condensation of water vapor or uplift of fog e to strong radiation cooling or turbulent mixing at night when the atmosphere is stable. Stratus clouds often dissipate after sunrise e to the temperature rising and the destruction of the stable layer. Sometimes stratiform clouds also have drizzle or snow<

stratospheric clouds

stratospheric clouds are low, diffuse and amorphous. The clouds are evenly stratified and can completely cover the sun and moon. They are dark gray or gray white, and the cloud base is often accompanied by broken rain clouds. Clouds are widely distributed horizontally, and often cover the whole day. The thickness of clouds is 4000-5000 meters
the lower part of the rain clouds is generally composed of water droplets or supercooled water droplets. Among the rain clouds in the north, the upper part is usually composed of ice or snow crystals
the rain layer clouds mostly appear in the warm front cloud system (sometimes in other weather systems), and are formed by the whole moist air system sliding and adiabatic cooling. It often results in continuous precipitation for a long time. The agricultural proverb "the sky is covered with st, and the rain will be continuous" refers to the precipitation condition of stratus rain<

mesoclouds

mesoclouds are mostly composed of water droplets, supercooled water droplets, ice crystals or their mixture, and some altocumulus clouds can also be composed of single water droplets. The height of cloud base is usually between 2500-5000 meters. High level clouds often proce precipitation, while thin altocumulus clouds usually do not

high level cloud

the cloud body is evenly distributed, gray or gray, and the cloud base often has a clause structure, which often appears in the frontal cloud system and covers the whole day. High level clouds are generally composed of water droplets, supercooled water droplets, ice crystals and snow crystals with a diameter of 5-20 microns< The thin clouds become white, the sun and moon can be seen, the thick clouds become dark gray, and the sun and moon can not be distinguished clearly. It is usually oblate, tile like, fish scale or wavy dense cloud
altocumulus is composed of water droplets or a mixture of water droplets and ice crystals. Through the thin altocumulus, the sun and moonlight often diffract to form an inner blue and outer red halo or halo
the genesis of altocumulus is similar to stratocumulus. The thin altocumulus cloud is stable and less changeable, which generally indicates sunny days. There are folk sayings that "tile cloud can kill people by drying" and "carp spot in the sky can not be turned over by drying grain". If the thick altocumulus continues to thicken and merge into layers, it means that the weather will change and even proce precipitation<

high clouds

high clouds are all composed of small ice crystals. The height of cloud base is usually more than 5000 meters. Generally, high clouds do not proce precipitation. In winter, cirrus clouds and dense cirrus clouds in the North occasionally snowfall, and sometimes snow streamers can be seen<

cirrus

the cloud body has a fibrous structure, often white, without shadow, with a silky luster, mostly in the shape of filaments, flakes, feathers, hooks, clusters, etc. Cirrus consists of ice crystals

cirrus

the cloud body is evenly layered, transparent or milky white. Through the clouds, the sun and moon have clear outlines, and the ground objects have shadows, often with halos. Cirrus cloud thickening and decreasing, system development, mostly indicates that weather systems affect the station, so there is a folk saying "halo of the sun, rain at three o'clock, halo of the moon, noon wind" and so on. However, if there is no obvious development, even if the cloud cover decreases, the weather will not change significantly in the future.

5. High cloud, medium cloud and low cloud

High Cloud: e to the high cloud base height and low temperature, it is all composed of small ice crystals. The cloud body is white, with silky light, thin and transparent<

cirrus: the cloud body is only fibrous structure, white, without shadow, with a silky luster, mostly in the shape of silk, flake, feather, hook, mass, anvil, etc

cirrus: the cloud body is evenly layered, transparent or milky white. Through the cloud layer, the sun and moon have clear outline, other objects have shadows, and halos often occur

cumulus: the cloud is very small, and the apparent width of the cloud is less than 1 degree. It is about the visual width of the straight little finger of the arm. It is white and scaly. It is often arranged in rows, which is very similar to the small waves formed by the breeze blowing on the water surface. Weather proverb "fish scale day, no rain also wind bump" fish scale day, refers to the cumulus cirrus<

mesoclouds: most of them are composed of water droplets, supercooled water droplets and ice crystals. Some altocumulus can also be formed by a single water droplet

high level cloud: the cloud body is evenly stratified, gray or gray, and the cloud bottom often has stripe structure. The horizontal range of high-level clouds is very wide, and a ship can reach hundreds of kilometers. The vertical thickness of high-level clouds varies greatly. The thin cloud separation layer can see the outline of the sun and the moon, and the thick one can completely cover the sun<

altocumulus: the apparent width of the cloud is between 1-5 degrees (equivalent to the width of the middle three fingers of the straight arm), and the outline is clear. There are great differences in thickness and shape. The thin cloud is white, and the outline of the sun and the moon can be seen. The thick cloud is dark gray, and the outline of the sun and the moon can not be distinguished. Clouds are usually oblate, tile, water wavy dense strips, arranged in groups, lines, and waves. Through the thin altocumulus, iridescence or halo (called "Hua" in meteorology) around the sun and moon can be seen.

low clouds: they are mostly composed of water droplets, while thick or vertically developed low clouds are composed of water droplets, supercooled water droplets, and ice crystals. Most of the low clouds are likely to rain<

cumulonimbus: the indivial is obvious, the bottom is flat, the top is convex, and the clouds are mostly not connected.

cumulonimbus: the clouds are thick and thick, the cloud body is huge, very like a towering mountain, the top has begun to freeze, white, fuzzy outline, with a hairy structure. The bottom is dark and chaotic with obvious ups and downs. Cumulonimbus clouds can proce thunderstorms accompanied by strong winds, and hail and tornadoes can also appear in strong periods

stratocumulus: it is composed of large clumps and strips with sparse structure, often arranged in rows, groups or waves, and the apparent width of the clouds is greater than 5 degrees

stratiform cloud: the cloud body is evenly stratified, gray, much like fog, and the cloud base is very low, but it does not touch the ground<

rain layer cloud: low and diffuse amorphous, the cloud body is evenly layered, the sun and the moon are completely covered, it is dark gray, and the cloud base is often accompanied by broken rain clouds. The horizontal distribution of cloud layer is very wide and full of sky. Rain clouds often appear in a large area, often with a long period of continuous precipitation. From the network, for reference only.

6. At present, the species of clouds are divided into four families and ten genera

7. Cloud computing can be divided into three categories: infrastructure as a service (IAAs), platform as a service (PAAS) and software as a service (SaaS)< IAAs: encapsulates basic resources such as hardware devices into services for users. In IAAs environment, users are equivalent to using bare metal and disk, which can run windows or Linux. The biggest advantage of IAAs is that it allows users to apply or release nodes dynamically and charge by usage. IAAs is shared by the public, so it has higher resource efficiency
2. PAAS: provides a running environment for user applications, such as Google App Engine. PAAS is responsible for the dynamic expansion and fault-tolerant management of resources, and the user application does not have to consider the cooperation between nodes. But at the same time, the user's autonomy is reced, so it is necessary to use a specific programming environment and follow a specific programming model, which is only suitable for solving some specific computing problems
3. SaaS: more targeted, it encapsulates some specific application software functions into services. SaaS does not provide services of computing or storage resource type like PAAS, nor does it provide an environment for running user-defined applications like IAAs. It only provides services for specific purposes
note: with the deepening development of cloud computing, different cloud computing solutions are infiltrated and integrated, and the same proct often spans more than two types.

8. Cloud computing can be divided into three categories: infrastructure as a service (IAAs), platform as a service (PAAS) and software as a service (SaaS). 1. IAAs: encapsulates basic resources such as hardware devices into services for users. In the IAAs environment, users are equivalent to using bare metal and disk, which can run windows or windows

9. Cloud server is a computing service with flexible processing capacity. Its management mode is simpler than physical server. Users can create or release any number of cloud servers without purchasing hardware in advance
bird cloud focuses on providing one-stop core network cloud deployment services for indivial developer users, small and medium-sized enterprises and large enterprises, so as to simplify user cloud deployment to zero and use cloud computing easily and quickly. Bird cloud is one of the few professional cloud computing service providers with ISP / IDC al qualification in China. It also holds the system software right certificate and CNNIC address assignment alliance member certificate, and has passed the international certification of ISO27001 information security management system and ISO9001 quality assurance system
the traditional server has independent CPU, memory mole and hard disk. The security of stored data is not high, and the waste rate of hard disk is relatively high. There are limitations in application. If there is a new application, you can only buy another one, which causes serious waste of the server. For some small and medium-sized enterprises, it can not be underestimated< In terms of technology,
cloud server uses cloud computing technology, which integrates various software and hardware technologies such as computing, network and storage. The traditional server is independent and will not integrate these resources
2. In terms of security,
the cloud server has the advantages of natural protection against ARP attack and MAC spoofing, snapshot backup and permanent data loss. The traditional server does not have this function
3. In terms of reliability, cloud server is based on server cluster, so the hardware rendancy is high and the failure rate is low; The traditional server has less hardware rendancy and higher failure rate
4. In terms of flexibility,
users can add their own configurations online and in real time, so there is a large space for expansion; The traditional server has this limitation. If there is a new application, you can only buy another one