biangular coordinates
... 双交替式 bialternant 双角坐标 biangular coordinates 双结(点) binode ...
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双角坐标系 biangular coordinates
直角双曲线坐标 [数] rectangular hyperbolic coordinates
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弹丸着靶坐标和飞行速度以及飞行方向角是外弹道测试中必测参数,本文针对四幕光幕靶和双光幕测速系统的不足,采用六个大靶面光幕靶,构造出了两类六光幕阵列结构。
Because of drawback of four-screen measuring system and two-screen velocity measuring method, an improved six-light-screen array is presented that is composed of six large area light screens.
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