某中口径舰炮采用炮身短后坐式自动机循环规律，运用先进的技术手段，实现了高射速、高精度和轻型化。
A type of medium caliber guns apply gun short-recoil automatic mechanism cycle regularity, and use advanced technique to achieve high fire cycle, high accuracy and light weight.
通过高斯拟合，得出了再循环粒子的入射速度。
The incident velocity of recycling particle has been given with Gaussian fitting.
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