从整体动力特性可以看出，当高层建筑在地震动作用下产生振动时，屋顶钢塔在高层建筑屋顶层振动的激励下，产生二次型振动，发生显著的“鞭梢效应”。
With respect to integral dynamic properties the steel tower will have secondary vibration under the vibrational stimulation of high-rise building under earthquake to have remarkable whiplash effect.
为了确保磁保持继电器可靠动作，施加到线圈上的激励电压须达到额定值，且脉冲宽度设置须达到动作时间的3倍以上。
Ln order to ensure the reliability of relay coil voltage, must reaeh value, the pulse width must be 3 times more time.
目标激励和成就目标导向都要通过个体感知的管理能力对创业行动效能起驱动作用。
Mediating role of management ability perceptions was found on the driving effect of goal incentive and achievement goal orientation on the effectiveness of entrepreneurial action.
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