“x-ray nova”的概念、定义、翻译、参考文献-科学参考

单词	x-ray nova
释义	x-ray nova [`eks´rā `nō·vǝ] ^ASTRONOMY An x-ray source which appears suddenly in the sky, dramatically increases in intensity over a few days, and then decays away with a lifetime of several months. Also known as transient x-ray source.
随便看	second mean-value theorem second messenger second mining second moment of area second-order climatological station second-order difference second-order equation second-order leveling second-order reaction second-order relief second-order station second-order subroutine second-order transition second pilot second quadrant second quantization second radiation constant second-remove subroutine second sound second species seconds pendulum second strike second-strike capability second-time-around echo second-trip echo

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