英语词汇“progression ratio”的翻译、意思、用法、释义-英汉汉英双解词典

单词	progression ratio
释义	progression ratio un.速比
随便看	Variety terrane variety test variety test plot variety theater varifocal erecting system varifocal imaging Varifocal layer-selection technology varifocal lens vari focal lens vari-focal lens varifocal lens binocular varifocal mirror varifocal moire zone plate varifocal obejective varifocal objective varifocal optical system varifocals varifocal scanning system varifocal system varifocal viewer varifocusing varifocus lens vari focus lens vari-focus lens vari-focus lenses,spectacle