碰撞截面cross: n. 克罗斯〔姓氏〕。 section: n. 1. (外科、解剖的)切断;切割;切开。 2.【外 ...collision cross section: 碰撞横截面; 碰撞截面effective collision cross-section: 有效碰撞截面total effective collision cross section: 总有效碰撞截面下载手机词典可随时随地查词查翻译