可變焦物鏡variable: adj. 1.易變的,變化無(wú)常的,無(wú)定的 (opp. c ...focus: n. (pl. focuses, foci ) 1.【物 ...objective: adj. 1.【哲學(xué)】客觀的;真實(shí)的;實(shí)在的 (opp. ...objective variable: 客觀變量; 客觀變數(shù)fixed-focus objective: 固定焦距物鏡下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯