The test methods of basic theory and applied theory are different.
基础理论与应用理论的预先检验方法不同。
Dynamic similitude theory of the model tests is a basic research topic in structure test technique.
模型试验的动力相似理论是结构试验技术中的一个重要的基础性研究课题。
The rotor model test system is the basic and most important test facility for the research of helicopter theory and technology, and also for the development of a new helicopter.
旋翼模型试验系统是开展直升机理论与技术研究、新机研制的最基本和最重要的试验设备。
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