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to phrases
spectral line
IT
光谱线
met.
光
谱线
oil
谱线
rem.sens.
光谱范围
;
光谱限度
spectral line
:
42 phrases
in 8 subjects
Agriculture
1
Air defense
3
Construction
1
Earth sciences
1
Electronics
1
Metallurgy
8
Space
2
Technology
25
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