enveloped acceleration
包膜加速度
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The over-testing problem is mainly caused by the traditional method in which the acceleration spectrum was enveloped and used as the control spectrum of the vibration table.
传统的卫星振动测试由于采用加速度谱包络的方式获取振动台控制谱，导致了“过试验”的发生。
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