双语例句原声例句
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In the interior ballistic cycle of regenerative liquid propellant gun, in addition to motion of projectile, there exists motion of piston compressing the liquid propellant.
再生式液体发射药火炮在内弹道循环中，膛内除弹丸运动外，还存在活塞压缩液体燃料的运动。
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The mass center motion equations of a damp-increasing range correction projectile were established by the concept of damp-increasing coefficients.
用增阻系数的概念，建立了增阻式射程弹道修正弹的质心运动方程组。
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We study the extremum conditions of the locus of motion of oblique projectile by using the extremum theory.
利用极值理论，讨论斜抛物体运动轨迹的极值条件。
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That's a problem of projectile motion.
这是抛体运动的问题
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