“Cygnus X-3”的概念、定义、翻译、参考文献-科学参考

单词	Cygnus X-3
释义	Cygnus X-3 [`sig·nǝs ´eks `thrē] ^ASTROPHYSICS A variable source of x-rays, with a period of 4.8 hours, associated with a variable radio source that flared up to enormous levels in September 1972 with no observed increase in x-ray emission. Abbreviated Cyg X-3.
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