基本解釋[土木建築工程]後焦距英漢例句雙語例句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;每次拍攝時，他都要背上三臺相機(jī)，各臺相機(jī)的焦點(diǎn)確定爲(wèi)：距自己所処位置10米遠(yuǎn)的，用100毫米變焦鏡頭，焦距100；wailian315.blog.163.comback focal distance更多例句專業(yè)釋義土木建築工程後焦距