准直仪聚焦collimator: n. 【物理学】准直仪,准直管,平行光管。 focus: n. (pl. focuses, foci ) 1.【物 ...focusing collimator: 聚焦型准直器focusing: 调整焦距; 对光调焦; 对焦; 焦点效应; 准焦alignment collimator: 视准仪下载手机词典可随时随地查词查翻译