操作指南：鼠标控制，左键发弹。
Operate guidebook: the mouse control, the left key hair play.
操作指南：鼠标控制，左键发弹。
Operate guidebook: Mouse the left key control, clicking to trigger affairs.
研究结果表明射击频率越高，前发弹与次发弹之间的内弹道耦合现象越强烈，并会影响到弹丸出膛口参数和射击精度。
The researches indicate that the greater the firing rate is, the stronger the coupling phenomenon of interior ballistics among the adjacent fired bullets is.
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