英语单词“concave spherical mirror”的翻译、意思、用法、释义-英汉词典

单词	concave spherical mirror
释义	concave spherical mirror1.■【光学】凹球面镜
随便看	securitize security security analysis security analyst security blanket security-check security check security classification security clearance Security Council security glass security guard security interest security kernel security police security risk security service security system security van securocrat securocratic secutor secy., sec'y sed. SED