Teken aan
Besonderhede van voorbeeld: -8594355175772142424
terug
Metadata
Author:
WikiMatrix
Data
English
[en]
In the 1980s, charge-coupled devices (CCDs) replaced photographic plates and reduced optical uncertainties to one milliarcsecond.
Chinese
[zh]
在1980年代,感光耦合元件 (CCD) 取代了照相底片,並且使不確定的因素減少到千分之一角秒。
History
Your action:
Comment
Mark incorrect example
Please enable JavaScript.