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optical spectrum
 optic spectrum
tech. 光学光谱; 光谱; 光功率谱
 optical spectra
railw. 光谱
 optical spectrum
space 光谱
| analysis
 analysis
eng.geol. 研究
fin. ABC 分析法,ABC 分类控制法
met. 分解

to phrases
optic spectrum
tech. 光学光谱; 光谱; 光功率谱
optical spectrum
space 光谱
tech. 光学光谱; 光功率谱
optical spectra
railw. 光谱
optical spectrum analysis
: 32 phrases in 10 subjects
Air defense1
Automobiles1
Aviation1
Earth sciences3
Electronics6
General1
Geology2
Oil / petroleum1
Space4
Technology12