Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/b41ebe72bb2da852d77fe3a7b1e3d4e8.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 aperture stop number是什么意思,aperture stop number的翻译,aperture stop number音标、读音、用法和例句_按摩法牛津词典
Each aperture size (referred to as a stop) is marked with a corresponding number that represents half the light of the previous stop. 每一档數字都是比前档減少一半的通孔大小。