“unofficial single-piece notes”的概念、定义、翻译、参考文献-科学参考

单词	unofficial single-piece notes
释义	unofficial single-piece notes Encyclopedia 管理学官府往来文书释 unofficial single-piece notes交片中国古代官府往来文书平行文种名称。
随便看	primary standard for sound pressure in water primary standard for ultrasound power primary standard light source primary standard machine of shore hardness primary standard machine of vickers hardness primary standard material primary standard of absorbed dose to water primary standard of air kerma primary standard of angle metrology 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

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。