photographic plate

基本解释

And we record here. And this is the blowup of what is on that photographic plate.
我們在這裡記錄,這是感光片所擁有的東西的放大形式。
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.
接著放一些記錄設備，那時用的是一個攝影用的感光片，取一個極小極小的角度,然後去到房間中足夠遠的地方。
Some distance above the lead block a photographic plate is placed.
在鉛塊上方某一距離処放一照相底板。

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.
接著放一些記錄設備，那時用的是一個攝影用的感光片，取一個極小極小的角度,然後去到房間中足夠遠的地方。
麻省理工公開課 - 固態化學導論課程節選
And this was painstaking work. What you have here is the photographic plate demonstrating a spread.
這是門,細致的工作。
麻省理工公開課 - 固態化學導論課程節選
And we record here. And this is the blowup of what is on that photographic plate.
我們在這裡記錄,這是感光片所擁有的東西的放大形式。
麻省理工公開課 - 固態化學導論課程節選

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.
ECONOMIST: Mirror, mirror