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1·A requester entity USES the Web services functionality with a requester agent.

请求者实体将用请求者代理使用Web服务的功能。

2·Based on the user-agent string shown in Figure 11, you can tell that the requester is running a Mac with an Intel CPU.

根据图11中展示的user - agent字符串，就可以断定请求程序通过Intel CPU运行mac系统。