根据非平静大气下弹箭运动方程组，针对航弹在风影响作用下产生的落点散布，采用脉冲修正方式对航弹落点偏差进行风校正。

According to the motion equation in the non-quietude atmosphere, the authors calculate the dispersions of bomb on the effect of the wind have adopt and the pattern of the impulse correction.

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研究了具有验前信息下的飞行器落点精度的鉴定问题，适用于只作一次现场飞行试验的情况。

This paper discusses the detecting problem of the fall point of vehicle with Prior information. This proposed method may used under the circumstance of only one flight lest.

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乒乓球击球落点一般情况下是由近网短球开始，再进入到长球阶段。

The high usage rate of the techniques in receive stage were loop-drive technique and cut technique. The falling spot after attacking ball begun from near net to away net.

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