物焦距 object lens focal length: 物鏡焦距長度focal length: 焦點(diǎn)距離; 焦距透鏡的; 局部長度focal distance, focal length: 焦距object focal point: 物方焦點(diǎn); 物焦點(diǎn)abnormal focal length: 反常焦距下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯