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   French
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noun | adjective | to phrases
spectral m
light. 分光形; 分光
spectral adj.
metrol. スペクトルの
spectral: 62 phrases in 10 subjects
Antennas and waveguides7
Automatic control1
Electronics8
Lighting other than cinema36
Metrology1
Nuclear physics1
Piezoelectric crystals1
Radio1
Radiology1
Vacuum tubes5