“deep space datum”的概念、定义、翻译、参考文献-科学参考

单词	deep space datum
释义	deep space datum Encyclopedia 工学行星大地测量学释 deep space datum深空基准用于开展深空探测的各种模型、资料和协议的集合。主体内容包括国际天球参考架（ICRF）、国际地球参考框架（ITRF）、地球定向参数（EOP）等。
随便看	modern machine building-industry in China modern magnesium industry in China modern marine sediment modern market system modern masonry technology modern mathematics modern method Modern Miscellany modern molybdenum industry in China Modern Moral Philosophy modern moral thoughts of China modern nation Modern Nationalism Modern Neo-Confucianists modern nickel and cobalt industry in China Modern noh collection modern nonferrous metals industry in China modern North European architecture modern novel Modern Novel Series Modern Oceanic Art modern opera education modern opera education(AD1840-1949) Modern Painters Modern Peasant Movement in Japan

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。