“缠度与缠角”的概念、定义、翻译、参考文献-科学参考

单词	缠度与缠角
释义	缠度与缠角 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	murals in tomb of Zhuang Kuangzheng murals in tombs of Han Dynasty Murals in Vairocara Temple Murals in Xinghua Temple Murals in Yanshan Temple Murals of Helingeer Han Tomb Murals of Northern Dynasties at Wanzhang in Cixian Murals of the Liao Dynasty tombs at Baoshan Murals of the Taiping Heavenly Kingdom Murals of Tomb of Han Dynasty in Yingchengzi murals of Zaju Opera of the Mingying Wang Hall in Hongdong County murals on music and dance performances of Su Sixu’s tomb murals on the Astana-Karakhoja ancient tombs of the Tang Dynasty murals on the dramatic stage of the Dongyue Temple in Liaotian Village Murals Tombs of Wei,Jin and Sixteen Kingdoms Period in Hexi Corridor Mural Tomb at Nanwuli Mural Tomb at Shaling of Northern Wei Dynasty Mural Tomb of Bohai State at Ning’an Mural Tomb of Eastern Han Dynasty at Qushuhao Mural Tomb of Han Dynasty at Horinger Mural Tomb of Han Dynasty at Liangshan Mural Tomb of Han Dynasty at Pinglu Mural Tomb of Han Dynasty at Qujiang Mural Tomb of Han Dynasty at Xi'an University of Technology Mural Tomb of Liao Dynasty at Faku

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