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单词
复合线
释义
复合线
Encyclopedia
理学
复合线
释
recombination line
复合线
在气体星云和其他一些天体的光谱中出现的氢、氦等元素的容许谱线(见禁线)的发射线。
Astronomy
recombination line
复合线
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community public security prevention and control system
Community Public Service
community public service facilities
community public sports facilities
community questions and answers
community recreation centre
community regeneration
community rehabilitation
community relations
community renewal
community representation
Community Research and Development Information Service of European Commission
community residents conference
community resources
community safety regulatory agency
Community safety services
community sampling
community security
community self-governing/community autonomy
community sequence
community service
community service center
community service station(center)
Community service system
community shopping center
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