“primary crater”的概念、定义、翻译、参考文献-科学参考

单词	primary crater
释义	primary crater [`prī´mer·ē `krād·ǝr] ^GEOLOGY 1. An impact crater produced directly by the high-velocity impact of a meteorite or other projectile. 2. See <<true crater>>
随便看	first point of Cancer first point of Capricorn first point of Libra first positive pedal curve first quadrant first quarter first radiation constant first-remove subroutine first selector first sound first species first water firth fir wood oil antifreeze antifriction antifriction alloy antifriction bearing antifriction material antifungal agent antigen antigenaemia antigen-antibody reaction antigenic competition antigenic determinant

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