optical frequency sound of pronunciation

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optical frequency in Hindi：प्रकाशीय आवृत्‍ति; प्राशीय आवृत्ति

Neighbors

"optical fibre" sound, "optical figuring" sound, "optical filter" sound,

"optical flat" sound

"optical font" sound

"optical glass" sound

"optical harmonic" sound

"optical haze" sound

"optical illusion" sound