英语词汇“objective with variable focal length”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	objective with variable focal length
释义	objective with variable focal length [əbˈdʒektiv wið ˈvɛəriəbl ˈfəʊkəl leŋθ] 可变焦距物镜，变焦距物镜
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