英语词汇effective aperture是什么意思，effective aperture的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	effective aperture
释义	DEFINITIVE EXAMPLES 权威例句〔stop〕The effective aperture of a lens, controlled by a diaphragm.光圈快门：由光圈控制的镜头的有效进光口美国传统
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