碰撞横截面碰撞截面cross section: (有代表性的)横截面,剖面;抽样,样品;【原子能】有效截 ...collision cross-section: 碰撞截面effective collision cross-section: 有效碰撞截面total effective collision cross section: 总有效碰撞截面collision cro section: 碰撞截面下载手机词典可随时随地查词查翻译