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。
Ions of different isotopes converge at different points on the photographic plate.
在照相底板上不同的同位素的离子会聚于不同点。
Nowadays the light collected by the lens or mirror of a telescope is directed to a photographic plate rather than to the astronomer's eye.
被望远镜的透镜或反射镜所收集的光线，如今直接射到照相底板上，而不是天文学家的眼睛里。
dry plate glass
底片玻璃，干板玻璃(照相用)
An early type of photograph made by imaging a negative on glass backed by a dark surface.
玻璃干版照相把底片放在有黑色背面的玻璃板上成像的早期照片
make(a photograph)from a negative film or plate
由底片或感光板印（照片）
speed of photographic plate
摄影干版的感光度;照相底片感光速度;照相片感光速率;感光板灵敏度
I need a film for this camera
我需要这照相机的底片。
The development of photographic films requires a dark-room.
冲洗照相底片需要暗室。
photographic(al) film
胶片(薄膜), 照相底片
camera drive pane
照相记录仪驱动面板
plane-table photogrammetry
平板照相摄影测量学
xeroradiography of breast
乳房干板X线照相术
(of a photograph)be produced from a negative film or plate
（指照片）由底片或感光板印出
To produce a photographic image from(a negative, for example)by passing light through film onto a photosensitive surface, especially sensitized paper.
翻印通过使光线穿过胶片投射到感光板，尤指感光照相纸上，从而晒制出（底片上的）图象
One has to process a photographic film to print pictures from it.
必须先处理照相底片才能冲印出相片。
A thin sheet or strip of developed photographic negatives or transparencies.
底片，幻灯片显影后的照相底片或幻灯片的薄片
I want to buy a roll of film for my camera.
我想要替我的照相机买一卷底片.