When the body length to 6 times the diameter of the above, the rotor speed will close to the critical speed motors, operation of vibration may occur.
当本体长度达到直径的6倍以上时，转子的第二临界速度将接近于电机的运转速度，运行中可能发生较大的振动。
The research results show that the vibration times, initial static stress level and water content etc. have obvious influence on the dynamic intensity of fly ash;
研究结果表明：振次、初始静应力水平、含水量等对粉煤灰的动强度都有显著的影响；
Vibration times hardly have effect on the changing of the elastic strain in the condition of the dynamic stress.
在动应力条件下，振次几乎对动应变中的弹性应变的变化没有影响。
The effects of the times of loading and vibration frequency on isolator are studied…
分析了载荷作用次数及振动频率对隔振器性能的影响，提出了提高其寿命的方法。
Since the co 2 compressor train was put into use, failure of vibration high alarm and high trip happened to the steam turbine several times during the startup.
二氧化碳压缩机组自投产运行以来多次发生启机时振动高报警及高联锁跳机的事故，导致开车的失败。
By analysed on vibration theory we knew that the load js a static load in mechanics of materials, when the loaded time is 6-8 times as much than the natural vibration period of the unit of structure.
通过振动理论的分析得知，材料力学中静载荷的定量标准是：当加载时间为构件系统的固有振动周期的8倍以上时，这种载荷即可认为是静载荷。
Measure the vibration of piled wharf in high water, low water and between two times. The largest displacement of vibration is compared three times.
测量了高平潮、低平潮及两潮位之间三个时段某高桩码头工作平台的振动情况，比较了不同潮位下振动的最大位移值。
Measure the vibration of piled wharf in high water, low water and between two times. The largest displacement of vibration is compared three times.
测量了高平潮、低平潮及两潮位之间三个时段某高桩码头工作平台的振动情况，比较了不同潮位下振动的最大位移值。
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