“unknown quantity”的概念、定义、翻译、参考文献-科学参考

单词	unknown quantity
释义	unknown quantity Mathematics unknown quantity未知量
随便看	primary standard of diffuse transmitted visual primary standard of exposure primary standard of flatness primary standard of illuminance primary standard of laser small angle primary standard of laser wave length primary standard of length primary standard of line angle 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

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。