The contact voltage-drop of counterpart contacts in the closing course of electromagnetism relay is observed and recorded in its failure test using dynamic contact resistance measurement system.
用动态接触电阻测量系统进行了电磁继电器失效检测试验，检测了其触点闭合过程的接触压降。
The large dynamic testing devices in the US are listed and the drop hammer test is introduced as an alternative test.
对部分测试内容进行了着重讨论，并列出了美国大型动力测试设备的情况。
On this basis, it is through a series of experiments, including drop hammer experiment, high-speed rotating floor experiment and dynamic simulation experiment to test the performance of the receiver.
在此基础上，通过开展落锤试验，高速转台试验，以及高动态模拟试验测试接收机的整体性能测试。
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