“metallic-line star”的概念、定义、翻译、参考文献-科学参考

单词	metallic-line star
释义	metallic-line star 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金属线星
随便看	railway car load shipment railway carrying-capacity railway centralized signalling monitoring system railway clock synchronization network railway communication railway communication line railway communication monitoring and testing railway communication network management railway communication services railway communication system for stations and yards railway construction environmental protection railway construction survey railway container transportation railway control survey railway crane Railway Cultural Park in Xiamen railway data communication network railway dedicated communication system railway direct power supply traction network railway dispatch communications system railway ecological protection railway e-commerce railway electric power supply railway electric power supply system for highland railway emergency communication system

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