"photographic works" means artistic works created by recording images of objects on light-sensitive or other materials with the aid of devices;
摄影作品，是指借助器械在感光材料或者其他介质上记录客观物体形象的艺术作品；
And then further you put some recording device, which in those days was a photographic plate, far across a room. So you take a tiny, tiny Angle and you go far enough across the room.
接着放一些记录设备，那时用的是一个摄影用的感光片，取一个极小极小的角度，然后去到房间中足够远的地方。
The method comprises the following steps: recording a required pattern onto a photographic plate through laser holography and manufacturing an optical mask plate with the holographic pattern;
该方法包括：将需要的图纹通过激光全息术记录到感光板上，制得具有全息图纹 的光学掩模板；
Twin channels are utilized for simultaneous time-integrated photographic recording and for time-resolved X-ray streak camera recording.
双通道同时完成X射线衍射的时间分辨和空间分辨；
Twin channels are utilized for simultaneous time-integrated photographic recording and for time-resolved X-ray streak camera recording.
双通道同时完成X射线衍射的时间分辨和空间分辨；
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