In the field of electronic technology, the frequency is basic parameter, frequency of Detection and many of the measurement of electrical parameters have a very close relationship.

在电子技术领域内，频率是一个最基本的参数，频率的检测与许多电气参数的测量都有着十分密切的关系。

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The design thought, technical parameters, car performance and measurement equipment of the new type comprehensive testing car on electrical railway are described.

介绍了新型电气轨道综合试验车的设计思想、技术参数、车辆性能和测定装置。

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Ac sampling measurement unit has better accuracy and stability as the online measuring instrument of the electrical parameters of power network.

交流采样测量装置作为电网电测量参数的在线测量仪器，具有较好的准确度和稳定性。

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