... Ship shock resistance testing 舰船抗冲击测试 vibration and shock testing 振动和冲击试验 Temperature shock testing chamber 冷热冲击试验机 ...
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电工电子产品环境试验。第2部分：试验方法。振动、冲击和类似动力学试验样品的安装。
Environmental testing for electric and electronic products. Part 2: test method. Mounting of specimens for vibration, impact and similar dynamic tests.
冲击试验时，接点不应产生振动和鸟啄现象。
During impact test, no vibration and bird pecking phenomenon at contact point.
利用冲击振动试验法可以准确得到桥墩的一阶振型和一阶频率，利用这两个参数可以构造出一阶振型比、特征参数、一阶曲率模态差三个指标。
The first-order mode and the first eigenfrequency of the pier can be obtained easily and precisely by the impact vibration test method, from which three indexes such as the chang.
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