摄影底片：一种早期的摄影材料，其感光乳剂被涂在玻璃板上；后来只被天文学家使用。
a flat sheet of metal or glass on which a photographic image can be recorded
同义词： plate
照相底片
照相底板
感光板
照像底片
硬片
摄影硬片
照相底板
... photographic film软片，胶卷 photographic plate照相底片；摄影底片；照相底板 photographic emulsion照相乳胶；照相乳剂 ...
... photographic photometry 照相测光学 photographic plate 照相底板 photographic telescope 天体照相机 ...
... photographic photometer 摄影光度计 photographic plate 照像底片 photographic radiometer 感光纸辐射计，照像纸式放射量计 ...
... photographic negative 照相底片 photographic plate 照相底片，感光片 photon 光子 ...
[摄]照相底片；摄影底片；照相底板
Some distance above the lead block a photographic plate is placed.
在铅块上方某一距离处放一照相底板。
First, a photographic plate is coated with a light-sensitive material.
首先，把一个照相底片覆盖上感光材料。
And we record here. And this is the blowup of what is on that photographic plate.
我们在这里记录，这是感光片所拥有的东西的放大形式。
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。
固态化学导论课程节选 : 麻省理工公开课
And this was painstaking work. What you have here is the photographic plate demonstrating a spread.
这是门,细致的工作。
固态化学导论课程节选 : 麻省理工公开课
And we record here. And this is the blowup of what is on that photographic plate.
我们在这里记录,这是感光片所拥有的东西的放大形式。
固态化学导论课程节选 : 麻省理工公开课
Use a photographic plate to record an image from a zenith-pointing telescope, and you will end up with a streaky image, as a result of the earth's rotation.