The validity research of this kind of virtual prototype has a guiding significance on the design and manufacturing of light arms equipment.

这种虚拟样机的有效性研究时轻武器装备的设计和制造具有指导意义。

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The thesis is intended to prove that cloze test is a highly valid and economical way to test integrative ability by making a validity research on cloze test.

本文旨在通过完形填空的效度研究来论证完形填空是一种高效度的和经济省力的检测综合能力的测试手段。

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OK, I have to ask: How certain are you about the validity of your research?

好吧，我要问一下：对于你研究的有效性，你有多确定？

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Now that there is research validity to these claims, the working world is starting to take notice.

CNN: Is happiness the secret of success?

However, there were questions about the validity of some of the research and the evidence was not sufficient for "prayer" to meet the criteria required for an "empirically supported treatment" in the United States.

BBC: Prayers for Muamba

Once more: I find it hard to understand how someone who worked as head of Research and Development at Pfizer could possibly deny this basic, universally recognised problem of poor external validity in clinical trials.

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