Signals of self test realize the function of self test of the grating auto testing instrument.
由自检信号产生电路产生自检信号实现光栅自动测试仪的自检功能。
This paper researched the test system of impact deceleration based on the virtual instrument technology, gave detailed exposition of its function, composition, theory and applications.
研究了基于虚拟仪器技术的冲击减速度测试系统，详细阐述了其功能、构成、原理以及应用。
A new kind of instrument for weather measurement is designed. And its constitution, function, electric circuit working principle, software design and test result are reported.
研制了一种新型气象参数测量仪器，介绍了仪器的组成及功能、电路工作原理、软件设计、测试结果等。
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