Zhengzhou Central Station to Luming Villa
network value is directly proportional to the square of the number of users. The more Internet users, the greater the value. In other words, the value of a network, such as a telephone, increases with the number of users. Now the booming e-commerce website eBay is the best example
that is, the value of network v = K × N² K is the value coefficient and N is the number of users.)
the value of network is directly proportional to the square of network scale. The specific performance is that the network value is proportional to the square of the number of network nodes and the square of the number of network users< Since the 1990s, the Internet has not only shown this extraordinary exponential growth trend, but also explosively penetrated and expanded into various fields of economy and society. The more the number of computer network, the greater its impact on the economy and society. In other words, the value of a computer network is equal to the square of its nodes. Metcalfe's law reveals the rule that the value of the Internet increases in arithmetic progression or quadratic equation with the increase of the number of users.
2. According to the following five pictures, write your own thoughts or true feelings around "small trouble breeds big disaster"
requirements: choose one of the above two tips to write a composition
Photo 1: a match burns down a forest
Photo 2: a nail is on the road, it goes into a car tire, and the car hits a power pole on the side of the road
Photo 3: a melon skin is in the middle of the road. A man steps on it and falls, and is hit by a car behind him
Photo 4: a father and son are walking downstairs, hit in the head by the garbage thrown upstairs
Figure 5: a newspaper: the title is: safety measures, in the middle: heavy casualties
2. After reading
after reading the following three pieces of news, please write a review on the topic of safety proction, and make your own topic
1. On December 16, 2009, the rotary seal valve of a coking plant in Jiangxi Province failed, and three workers on ty were poisoned and died; Another worker did not wear a respirator for rescue and died of poisoning< At 15:58 on February 24, 2010, a st explosion occurred in Lihua Co., Ltd. in Qinhuang, Hebei Province, causing 19 deaths and 49 injuries, with a direct economic loss of 17.735 million yuan
3. At about 23:20 on March 25, 2010, a poisoning and suffocation accident occurred in Ruida tin factory, Gejiu City, Honghe Hani and Yi Autonomous Prefecture, Yunnan Province, causing five deaths
3. Argumentative paper
"safety is the guarantee of family happiness, and accidents are the bane of life tragedy." Please combine this aphorism to talk about your understanding of safety and draw up your own topic.
Metcalfe's law is a law of network technology development. Metcalfe's law was proposed by Robert Metcalfe, founder of 3Com company and pioneer of computer network
Robert Metcalfe (1946 -) was born in Brooklyn, New York. The pioneer of American science and technology invented Ethernet, established 3Com and formulated Metcalfe's law; s Law) Its content is: the value of the network is equal to the square of the number of network nodes, and the value of the network is directly proportional to the square of the number of network users< According to the law,
the usefulness (value) of the network increases with the square of the number of users. In other words, the value of a network, such as a telephone, increases with the number of users. Now the booming e-commerce website eBay is the best example
that is, the value of network v = K × N& sup2 K is the value coefficient and N is the number of users.)
the value of network is directly proportional to the square of network scale. The specific performance is that the network value is proportional to the square of the number of network nodes and the square of the number of network users
since the 1990s, the Internet has not only shown this extraordinary exponential growth trend, but also explosively penetrated and expanded into various fields of economy and society. The more the number of computer network, the greater its impact on the economy and society. In other words, the value of a computer network is equal to the square of its nodes. Metcalfe's law reveals the rule that the value of the Internet increases in arithmetic progression or quadratic equation with the increase of the number of users
The theory behind Metcalfe's law, namely the so-called network externality, is that the more users there are, the greater the utility will be for the original users, not only the effect will not be the same as the general economic property (the more people there are, the less they share), but also the greater the utility will be. Generally speaking, Moore's law and the phenomenon of instrial confluence form everywhere informatization. Metcalfe's law links the everywhere informatization enterprises with the multiplier effect of network externality, and finally creates a global e-commerce market with scale comparable to the real world and full of countless business opportunities and amazing growth potential