Maintenance-free brushless drive motor with frequency inversion, has high start torque and short acceleration time.
免维护高力矩无刷变频电机直接驱动,启动力矩大、加速时间短。
Seismological models are generally used to enrich the existent sets of earthquake records with artificial ground acceleration time histories.
地震模型一般是应用人工地面加速度时间历程存在集来丰富地震记录。
The normal method to simulate earthquake acceleration time history is analyzed, and it is shown clearly that choice of initial acceleration time history is important.
分析了地震加速度时程模拟的常规方法,指出初始加速度时程的选取十分重要。
But a growing number of legal cases claim Toyota knew for a long time about the sudden acceleration issue with other vehicles.
VOA: special.2010.02.05
Simply knowing the acceleration is not enough to tell you where it was at the initial time.
仅仅知道加速度是,不足以告诉你它在初始时刻的位移的
If every time I get the same acceleration, I'm convinced this is a reliable spring that is somehow producing the same force under the same condition.
如果每次都能得到相同的加速度,这个弹簧的可靠性就能令人信服,即它在相同的条件下能够产生相等的力
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