... practical filtration efficiency 实际滤波效率 practical life 实际寿命 practical life 实用寿命 ...
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轴承所需的实际寿命当然与应用的性质有关。
The life actually required for bearings naturally varies according to the nature of the application .
一般的线性损伤累积理论忽略了高频率低疲劳应力所引起的构件疲劳损伤，致使预测结果与实际寿命相差很大。
But the common linear fatigue damage cumulative rule neglects the fatigue damage which is brought by the high frequency and low stress.
英国养犬俱乐部(Kennel Club)的犬类遗传顾问杰夫·桑普森(Jeff Sampson)指出，狗的实际寿命数据也在不断变化。
The true Numbers are moving targets, adds Jeff Sampson, canine-genetics consultant to the Kennel Club in the U.K..
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