“ancient eclipse observations in China”的概念、定义、翻译、参考文献-科学参考

单词	ancient eclipse observations in China
释义	ancient eclipse observations in China Encyclopedia 理学日食释 ancient eclipse observations in China中国古代的日食观测古代的日食观测是指十七世纪经典天文学诞生以前所进行的日食观测和记录。
随便看	nebular stage nebular transition nebular variable nebulium nebulization nebulization efficiency nebulizer nebulizers nebulizer therapy nebulosity nebulous bridge nebulous cluster nebulous envelope nebulous object nebulous patch nebulous ring NEC necator americanus necessary necessary and sufficient condition necessary and sufficient statistic necessary and sufficient σ-field necessary condition necessary condition for optimality necessary heirship

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