“near-Earth asteroid”的概念、定义、翻译、参考文献-科学参考

单词	near-Earth asteroid
释义	near-Earth asteroid Encyclopedia 理学小行星释 near-Earth asteroid近地小行星椭圆轨道的近日距不大于1.3天文单位（AU）的小行星。
随便看	directed ortho metallation directed ortho-metallation directed oxidation processing of ceramic matrix composites directed path directed plane directed point set directed quantity directed quasiorder directed relation graph directed segment directed self-assembly lithography technology directed sequencing directed set directed spanning tree directed strongly regular graph directed system directed technical change directed tetrahedron directed the security work of large-scale activities directed tree directed triple system directed union directed value directed web directed xy walk

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