当趁耶和华可寻梢的时候寻梢他，相近的时候求告他。
Seek ye the LORD while he may be found, call ye upon him while he is near.
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.
当螺旋桨要求的功率过高以至于轴转速达不到额定值时，可以采用切割螺旋桨叶梢的方法减小螺旋桨的负荷。
When the power required by propeller is so high that the shaft speed cann't arrive a rated value, the tip of propeller can be cut to decrease its load.
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