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金属线星
释义
金属线星
Encyclopedia
理学
恒星光谱
释
metallic-line star
金属线星
其金属谱线很强,近似于F型星,但其氢线却近似于A型星,而且由不同光谱区定出的光度级也很不相同,由短波段求得的光度级比由长波段求得的高的一类特殊星。符号为Am。
Astronomy
metallic-line star; metal-line star
金属线星
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maintenance period of general anesthesia
maintenance phase
maintenance plan
maintenance policy
maintenance program
maintenance program of aircraft
maintenance project of Guangji Temple ancient buildings in Jinzhou, Liaoning
maintenance rate
Maintenance Regulation
maintenance & rehabilitation on airfield area
maintenance requirement
maintenance requirement of aircraft materiel
maintenance respiration
maintenance scheduling of electric power system
maintenance service program
maintenance standby time
maintenance strategies for civil engineering
maintenance strategy of aircraft materiel
maintenance theory
maintenance therapy
maintenance time
maintenance work order management
main test
main theorem
main title music
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