研究效度（Research Design Validity） ： 1. 内部效度：若以因果为例，因变数之变化是否可归诸于自变数之变 化的程度→ 能排除下列外生变数之影响： a.
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Aiming at the problem of validity and illegibility in user research, interface design was used as an example to discuss the resource of illegibility and solutions.
以界面设计为例，针对用户研究中的有效性和模糊性问题，探讨模糊性的来源及其解决方案。
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。
Completed the signal processing system software and hardware association to try the association accent, the test result has confirmed this research design proposal validity.
完成了信号处理系统软硬件的联试联调，试验结果验证了本研究设计方案的有效性。
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