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Eliminate the coupling between the sender of the request (the company that needs to outsource the project) and the receiver (the outsourcing company).DNS (Domain Name System), as a distributed database mapping domain names and IP addresses on the Internet, enables users to access the Internet more conveniently without remembering IP strings that can be directly read by machines.Variable value (V): is the full file path of tools and platform-tools in the second step, with the semicolon ";" in the middle. Separate and click OK. As shown in the figure:Public interface Visitor {Update 2016/12/18The newly trained classifier is compared with the previous classifier to estimate how much change has taken place. For example, you can perform a dark launch and compare two outputs over the same traffic. Alternatives include A/B testing and backtracking testing for a small portion of traffic.《原来这么拍》是一档旅行拍照类的节目。主播带您去领略不同的地域风景。让我们带上相机，带上我们发现美的眼睛，一起出发吧。