| • photometric standard | |
| प्रकाशमापीय: photometric | |
| मानक: criterion norm standard task high variety norms | |
प्रकाशमापीय मानक in English
[ prakashamapiya manak ] sound:
| • photometric standard | |
| प्रकाशमापीय: photometric | |
| मानक: criterion norm standard task high variety norms | |
