| • frequency standard | |
| आवृत्ति: issue rote recapitulation return reprint | |
| मानक: criterion norm standard task high variety norms | |
आवृत्ति मानक अंग्रेज़ी में
[ avrti manak ]
| • frequency standard | |
| आवृत्ति: issue rote recapitulation return reprint | |
| मानक: criterion norm standard task high variety norms | |
