“rifling angle”的概念、定义、翻译、参考文献-科学参考

单词	rifling angle
释义	rifling angle Encyclopedia 工学刑事科学技术释 rifling angle缠度与缠角为了增加弹丸在空气中飞行的稳度，提高射击精度，在枪管内壁设计了与枪管纵轴线呈一定倾斜角度的膛线，赋予弹丸以导转力，使弹丸围绕自己纵向轴心旋转飞行。膛线缠度是膛线的导程与枪管口径的比值，导程又称缠距，是膛线旋转一周沿枪管轴线方向前进的距离。膛线上任意一点的切线与枪管轴线的夹角叫膛线缠角。
随便看	Research Methodology of Chinese History Research Methodology of Pratacultural Sciences research methods in explosion mechanics research methods in language acquisition research research methods in traffic psychology research methods of agricultural statistics research methods of pollution ecology research monitoring research object of library science Research of Agricultural Modernization Research of Blocks in Two Ancient Capital Cities (Xi´an and Luoyang) of Tang Dynasty research of Chinese terminology Research of Dunhuang Narrative Literature Research of Environmental Sciences Research of Jun Kilns Research of Lu You Research of Modern Chinese Folk Ceramic research of organization communication research on adverse reaction Research on Ancient Chinese Characters research on animals in Chinese history Research On Archive Research on Bibliographic Information Demand and Service Research on Bibliography Science Research on China's socialist economy

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