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

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
随便看	claspt class CLASS class class class Class 2 fax modem class a amplifier Class A certification class A indication A class a modulator Class A Network class A user class ab ammplifier class ab amplifier class ab modulator class act class act class action class action class action class action class ai emission class alien class analysis

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