[物理] 物鏡、通過增加伸縮附件進(jìn)行調(diào)整 telescopic objective: 望遠(yuǎn)物鏡objective variable: 客觀變量; 客觀變數(shù)objective with variable focal length: 變焦距鏡頭; 可變焦距物鏡optimization variable objective: 最優(yōu)優(yōu)可變目標(biāo)variable focus objective: 可變焦物鏡下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
