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(12.20 update)见到天启时，他会风轻云淡地说道：天启，幸会了，我就是那个写了十亿字的男人。《关注者》某小公司职员藤田小春（白石麻衣 饰）在网上将自己打造成香车、包包、富豪男友环绕的闪亮港区OL，为了不输给网络上的竞争对手，她落入了奢靡虚荣的深坑，与此同时有位网络好友似乎识破了她的真面目。2. Mathematical period: For a function f (x), if there is a non-zero constant T, so that when x takes every value in the domain, there is f (x + T) = f (x), then the function f (x) is called a periodic function. The nonzero constant T is called the period of this function.TCP is connection-oriented, and a connection must be established between either side before sending data to the other. In TCP/IP protocol, TCP protocol provides reliable connection service, and the connection is initialized by three-way handshake. The purpose of the three-way handshake is to synchronize the serial numbers and acknowledgement numbers of both parties and exchange TCP window size information. The process of shaking hands can be represented by the following figureImagine a scene where there is an electric lamp with only one switch on it. When the light is on, press the switch at this time and the light will switch to the off state. Press the switch again and the light will be turned on again. The behavior of the same switch button is different in different states.3 Create Event