“Duan Zhengcheng”的概念、定义、翻译、参考文献-科学参考

单词	Duan Zhengcheng
释义	Duan Zhengcheng Encyclopedia 工学﹝机械工程人物﹞释 Duan Zhengcheng段正澄中国机械工程专家。
随便看	primary standard of luminance primary standard of luminous exposure primary standard of luminous intensity primary standard of microwave phase shift primary standard of multi-teeth index table primary standard of spectral irradiance primary standard of spectral radiance primary standard of taper gauge primary standard of total luminous flux primary standards of national defense primary star primary station primary station, master station primary stress primary structure primary structure analysis of monoclonal antibody Primary Studies on the Book of Songs primary submodule primary succession primary surface primary suspensor primary T cell deficiency primary telescope primary thermometry primary thrust surface

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。