因为大多数的性能测试工具得到了优化，以决定服务器的响应时间，这就使得使用这些新技术的Web 2.0程序的功能性测试与性能测试之间，产生了隔阂。
Since most performance test tools are optimized to determine server response times, this leaves a gap in both functional and performance testing of Web 2.0 applications using these new technologies.
当性能测试依赖服务器响应时间以预测Web 2.0程序中的用户经验时，通常会遇到的一个问题是，“什么程序持续了这么长的时间？”
When performance testing relies on server response time to predict user experience in Web 2.0 applications, a question that usually crops up is, "What is taking so long?"
servlet响应时间：有助于比较应用程序服务器上观察到的响应时间与负载测试客户机上测得的响应时间之间的异同。
Servlet response time to help compare and contrast the response times observed on the application server against those measured on the load test clients.
servlet响应时间：有助于比较应用程序服务器上观察到的响应时间与负载测试客户机上测得的响应时间之间的异同。
Servlet response time to help compare and contrast the response times observed on the application server against those measured on the load test clients.
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