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北冕座R型变星
释义
北冕座R型变星
Encyclopedia
理学
耀星
释
R Coronae Borealis variable
北冕座R型变星
亮度有时突然减弱约1~9星等的不规则变星。
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radioactive prospecting
radioactive purity
radioactive reference materials
radioactive reference source
radioactive relay
radioactive repository in urban
radioactive seed
radioactive seed implantation
radioactive series
radioactive solid waste
radioactive source
radioactive source accident rescue
radioactive standard
radioactive standard solution
radioactive standard source
radio active star
radioactive statistical fluctuations
radioactive substance
radio active sun
radioactive survey data
radioactive tracer
radioactive tracer log
radioactive tracer of nanomaterials
radioactive tracer petroleum well logger
radioactive tracer sand technology
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