- Radphot
- n радфот м., рф свт.
Neue große deutsch-russische Wörterbuch Polytechnic. 2014.
Radphot
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Photometry (optics) — This article deals with the usage of this term in optics and lighting .Photometry is the science of measurement of light, in terms of its perceived brightness to the human eye. It is distinct from radiometry, which is the science of measurement… … Wikipedia
