Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/a6aae3c143e8803e1bcac4e1f951a11c.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55
focal-length英英字典_focal-length剑桥英语解释_focal-length柯林斯英文解释_绍翊字体网有道词典
绍翊字体网有道词典

focal-length

F 开头单词

柯林斯词典

    focal length (also focal distance)

  • 1. N the distance from the focal point of a lens or mirror to the reflecting surface of the mirror or the centre point of the lens 焦距

    • 返回 focal-length