optical number sound of pronunciation

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optical number in Hindi：चाक्षुष अंक; प्रकाशीय अंक

Neighbors

"optical molecular spectrum" sound, "optical moment" sound, "optical monochromator" sound,

"optical nonlinearity" sound

"optical null method" sound

"optical organ" sound

"optical pair" sound

"optical parallex" sound

"optical parametric oscillator" sound