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was originally a unit of weight and volume @ unit; and later became the engineering language; then became DOS commands, such as the common statement This usage is gradually reduced, but the addition of two ways: 1. E-mail user name and domain name management application of the interval between the character the Internet age; 2. @ is a cool look that happy, happy, etc.; 3. @ family that is 14-29 years of age.
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@'s history - the emergence of the first email @ @ This is the volume unit, weight unit is also at the double @ @ pronunciation @ @ a batch command for DOS fashionable expression, indicating the @ symbol synonymous with the Internet age the meaning of @ in engineering derived word - @ generation
@'s history - the first email worked for the U.S. Department of Defense military network ARPANET development BBN Computer network computer engineer Ray Tomlinson brought about this epoch-making change. His personality is quiet, careful, and especially modest. In 1971, Tomlinson was ordered to find the performance of an electronic mail address format, he first wrote a small program that can put the program's file transfer protocol program with another letter and prepared to receive a combined capacity so that a letter can be sent from one host to another one. Thus, the first email was born. Tomlinson finally get the program, immediately to the staff sent an e-mail, tell them to other computers can now be sent a letter out. @ The emergence of the next, Tomlinson is work to be done to ensure that messages arrive in the correct computer. He needs a logo, as the name of the individual with his host used separately. @ - Tomlinson, one to select this special character, this will not appear among the names of the symbols. come to pass both clear and concise information about a person in a place, but also large amounts of information processed by the computer to avoid confusion when the first digital transmission tomlinson @ bbntenxa address came into being. So, there we are now using e-mail that the form of: name, code + @ + computer system or computer system company code + code + the nature of their organizations, said the two-letter country code. This makes e-mail can be sent through the network accurately, and given a symbol @ new meaning now. Tomlinson that although @ made him legendary, but there is nothing remarkable. Linsen's a major undertaking. But before that, @'ve had a glorious history. That may be the true origin of @. Let us look back to the distant Middle Ages. Prato, near Florence, a small town named, Italian scholar,
air force 1 high, Institute of economic history in the city archives and found a Florentine merchant, a letter written in 1536, mentioned in the letter he sent to Spain cargo, including all areas related to the volume of wine, are represented by @, this is by far the earliest use of the symbols found in the records. Experts on the medieval container, wine prices and current measurement system for analysis and discovered that, at that time in Italy,
nike air force 1 high, wine is sold by tanks. Even today, anfora wine in Italy is still the unit of measurement. @ This is a Spanish unit of weight, pronounced - monks painstakingly hand-carved. Although at this word is quite short, but the frequency is very high. In order to reduce hand fatigue caused by the monks thought of as a wine @ units of measurement, so to use this symbol, and later with the development of printing equipment, people no longer use the @ instead of at, and its main function into that commodity price, at this time @ has the meaning of each. For example, At this time, the frequency of use of this symbol @ greatly reduced. @ Pronunciation of the growing popularity of the e-mail, the symbol @ in the address also from country to country and the nation's cultural habits are different. Germany, the Netherlands and South Africa, the @ is called the However, in many English-speaking country, or directly to the @ read at. In China, there have been @ the pronunciation than reading method, more popular, there are two: First, the ring a, the second is In fact, the representation of e-mail,
nike air force one low, the @ has at the implication that Therefore, we should be based on the specific meaning here @, to read at the pronunciation - The third is: @ For DOS batch command that does not display @ the back of the order in the invasion process (eg using a batch to format the hard disk enemy) naturally can not let the other side to see the commands you use friends. Sample: @ echo off @ echo Now initializing the program, please wait a minite ... @ format X: / q / u / autoset (format can not use this command / y of this parameter, the good news is that Microsoft has left a autoset this argument to us, effects, and / y are the same.) @ a fashionable expression,
air force 1 shoes, indicating the sign with the network in China's rapid development has not just e-mail @ symbol, a lot of friends during the chat, communication among He is often seen as an emoticon,
air force one high, representing a happy, happy, but also represents a mood, a smile from the general symbol of the new sign! also represents a face, most think that is a sign of big eyes, So sometimes marked with two @ symbols to express their feelings and mood of a time. As the symbol of the special appearance, we also carried out the meaning of this symbol has a certain extension, to express a human heart is complex kinds of mental states and emotions. @ synonymous with the Internet Age With the rapid development of the international Internet, @ is not just a symbol, but a representative of the Internet age symbols, such as many companies, organizations, said E era, some people called @ times, @ symbol has been more widely applied, there are many organizations and individuals to use @ as their LOGO and so on. I believe sooner or later the people @ will fully into the daily living space. @ in Engineering representative of the meaning of the project @ interval, such as 2φ 10 @ 500, on behalf of two 10-unit interval between the diameter of steel from the 500 units. Drawing in AutoCAD software, @ said the first point, based on the relative coordinates, such as the first point selected is 1,1, then the absolute coordinates of @ 1,1 was 2,
air force one low,2 (1 +1,1 +1) . Derived word - Now @ generation, @ generation is a leisure Institute in Hamburg, Germany proposes a new term for the age of 14 to 29 years old grew up with the younger generation the information age. In the @ generation, the network is their most favorite home network so that they filled with a miner who dreams and create joy. But in reality, education and medical experts have long called for people to sit in a fixed position if the long-term, and indulge in the network and the lack of activity is likely fatal deep venous thromboembolism, we must guard against this @ embolism . Atlas Atlas entry for more extended reading: 1
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