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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Using this technique, the tester does not start with a set of test cases or any other pre-defined testing script.

使用这个技术，测试人员不必以一系列测试用例开始，也不用其它预定义的测试脚本。

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They can then copy that instance as an image and re-instantiate it in one of the other pools to perform pre-production testing, or deploy the instance in the live production environment.

然后，用户可以将该实例作为一个映像复制，在另外两个池中的一个中重新实例化该实例，以便执行预生产测试；或者在实时生产环境中部署实例。

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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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