It is concluded that the RTDHT pre-testing based on virtual shaking-table not only offers guidance on real RTDHT tests but also prevents possible equipment damage caused by system instability.

基于虚拟振动台对实时耦联动力试验进行研究，既能对真实试验提出指导又可避免试验系统失稳对设备的损害，是一种实用且必要的研究手段。

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As mentioned earlier, pre-production might also be used for User Acceptance Testing.

正如前面所提到的，预生产还可能用于用户接受测试。

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During this time, the maintenance stream will have provided updates and fixes to any problems that may have been missed in pre-release testing.

在这段时间内，维护团队将针对预发布测试中可能遗漏的问题提供更新版本和修复程序。

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Not surprisingly they do, and on many levels: equity studies, ROI, pre-testing scripts, and even the casts.

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Through smart pre-testing, Groupon would have been able to find out that their creative execution was ineffective and either take corrective action or yank the spots altogether.

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The third issue focuses on the Equal Employment Opportunity (EEO) aspects of pre-employment testing.

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