在将数据池同测试关联之后，它将会在执行时将测试中的值置换为数据池中的值，从而仿真不同的用户对服务器的请求。
After the data pool is associated with the test, it will replace the value in the test with the data from the data pool when executing, thus simulating different user request to the server.
一个适当配置的Linux服务器能够仿真一台经许可的OpenVMS副本的硬件，和一年只用上几小时还嗡嗡叫的老古董相比，花费要少多了。
A properly outfitted Linux server can emulate the hardware for a licensed copy of OpenVMS, at a far more modest cost than the one to keep a legacy host humming for just a few useful hours a year.
SUA运行于基于Windows的服务器之上，但并不是以仿真方式实现，相反它提供的是原生的UNIX性能，并允许UNIX应用充分利用Windows的API和组件。
SUA runs on Windows-based servers without any emulation, providing for native UNIX performance and enabling UNIX applications to leverage Windows APIs and components.
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