锤击试验另一个比较重要的测试注意事项是关于预触发延迟必要性的。
Another somewhat important test consideration for impact testing relates to the need for pretrigger delay.
文中采用的锤击力振动梁测量系统测试动弹性模量快速、简便，并有较高的精度和可信度。
The method for determing the dynamic modulus adopted in the present experiment was found not only simple and convenient, but also highly precise.
本文介绍电液伺服系统的几种动态测试方法，包括随机噪声测试，锤击法测试和扫频测试。
In this paper several dynamic testing methods of electrohydraulic servo systems are introduced, including stochastic noise test, hammering test and sweep frequency test.
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