books محور ضوئي
If you do not find what you're looking for, you can use more accurate words.
# optical or optical axis
# How does the earth rotate on its axis?
# optical axis surface
# main optical axis
# Optical fiber or optical fiber
# Optical interference and optical fibers
# Axis country
# horizontal axis
# Axis of Evil
# X-axis
# Y-axis
# Earth's axis
# Axis countries
# Axis forces
# axis of resistance
# Cooperation with the Axis Powers
# Axis crimes in Yugoslavia
# life axis
# deer axis
# Hypothalamic axis hormones
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محور ضوئي (Info)
محور ضوئي:- محور في البلورات، باستثناء بلورات النظامين المكعبي و الرباعي. لايتم على امتداده انكسار مزدوج للضوء (المعجم الموحد لمصطلحات الجيولوجيا)
