机械在工作期间振动的量级必须予以确定。
The level of mechanical vibration during operation must be determined.
正确确定初相和任意时刻的相位,对于解决振动和波动问题至关重要。
It is important for solving the problem of vibration and wave to determine correctly initial phrase and phrase at any moment.
针对某客车行驶时产生的振动问题,在大量实验的基础上,确定了该车产生共振的原因。
Aimed at the vibration problem of the passenger car during operating, we determine the reason of sympathetic vibration depending on abundant experiments.
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