back focal distance
基本解释
- [土木建筑工程]后焦距
英汉例句
- Each shot, he should be back three cameras, the focus of the camera as follows: the distance of 10 meters of their location, with 100 mm zoom lens, focal length 100;
每次拍摄时，他都要背上三台相机，各台相机的焦点确定为：距自己所处位置10米远的，用100毫米变焦镜头，焦距100；
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双语例句
专业释义
- 后焦距