土木工程编译词汇D-23-SCIdict学术词典-... ... 偏心距离(测量) Distance，eccentric 焦点距离 Distance，focal 前后间距，追踪距离 Distance，following ...
基于4个网页-相关网页
大多数相机的最近焦点距离大约是三英尺，或者是离相机大约一步远。
The closest focusing distance for most cameras is about three feet, or about one step away from your camera.
如果拍摄时相机太接近拍摄对象，低于相机的最近焦点距离(参阅手册确定)，则照片将会模糊不清。
If you get closer than the closest focusing distance of your camera (see your manual to be sure), your pictures will be blurry. Move it from the middle.
就是从透镜(或者主反射镜)到焦点的距离，通常单位是毫米(mm)。
This is the distance (usually in mm.) from the lens (or primary mirror) to the point where the telescope is in focus (focal point).
应用推荐