本文利用示波冲击试验，对船用921A钢动态断裂韧性的测试方法进行了研究。
In this paper, the dynamic fracture toughness measuring method for 921a shipbuilding steel is studied by instrumented Charpy impact test.
冲击波的测试是动态测试中难度较大的测试问题。
The test of shock wave is a difficult problem in dynamic measurement.
利用热压烧结法制备了梯度型陶瓷—金属复合材料，并对其静态压缩性能和动态冲击压缩性能进行了测试。
The gradient ceramic-metal composites was prepared by the hot-press sintering method, and the static and dynamic mechanical performance were tested.
在对炮口冲击波测试中，压力传感器的动态性能指标是否满足测量要求至关重要。
The dynamic characteristic of the pressure sensor is very important to the veracity of sensor in the pressure measurement of a certain gun.
在对炮口冲击波测试中，压力传感器的动态性能指标是否满足测量要求至关重要。
The dynamic characteristic of the pressure sensor is very important to the veracity of sensor in the pressure measurement of a certain gun.
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