In discharge measurement by the velocity-area method, determining positions of velocity and depth-measuring verticals is a prerequisite condition to this measurement.
流速-面积法流量测验中，测深测速垂线的定位是流量测验的前提。
A novel Laser screen velocity measuring method with large effective screen area is introduced for some special velocity measuring occasions like wide spreading range or big-size flying objects.
针对弹道散布范围大或被测飞行物体尺寸大的测速场合，介绍了一种实现大面积有效靶区激光光幕速度测量的方法。
Theoretical and real processing results show that the method is very suitable to the image of steep-dip seismic data in the area where seismic velocity varies with depth.
理论与实际资料的处理结果表明，该方法对速度随深度变化地区的大倾角反射成像是十分有效的。
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