And base on the experiment, calculating formula of cross section mean velocity's reduction after planting and bed shears stress of vegetation dam block are established.
同时在试验的基础上，推导得植树后断面平均流速减小值和植物坝段床面剪应力的计算公式。
The general principles and technical approaches of radar cross section reduction (RCSR) are introduced, and the application of RCSR technology in military target anti-radar stealth are studied.
本文介绍了RCSR技术(雷达截面积缩减技术)的一般原则及其技术途径，对RCSR技术在军事目标反雷达隐身方面的应用进行了探索与研究。
The decrease in reduction and camber of rail could reduce the straightening effect on the cross section dimensions of rail.
矫直辊压下量和重轨弯曲度的减少，可以降低矫直对重轨断面尺寸的影响。
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