large caliber machine gun
large caliber machine gun
大口径机枪
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The dynamic stability concept of large caliber machine gun is proposed, and its principle, theoretical modeling method and experimental analysis method are systemically studied.
提出了大口径机枪的动态稳定性概念，并对其原理、理论建模方法及模型、实验分析方法进行了系统研究。
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