“Northern Cross”的概念、定义、翻译、参考文献-科学参考

单词	Northern Cross
释义	Northern Cross [`nȯr·thǝrn `krȯs] See <<Cygnus>>
随便看	Collins miner collision collision-avoidance radar collision-avoidance system collision bearing collision blasting collision broadening collision bulkhead collision course collision-course homing collision cross section collision density collision detection collision diameter collision efficiency collision excitation collision frequency collision ionization collisionless Boltzmann equation collisionless plasma collision line-broadening collision matrix collision of the first kind collision of the second kind collision parameter

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