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

单词	government officials in ancient China
释义	government officials in ancient China Encyclopedia 工学中国历代水利职官释 government officials in ancient China中国历代水利职官中国古代在中央机构设置管理水利的部门、职官，或在部门设属官或专设机构。
随便看	negative polynomial distribution negative-positive photographic system negative pressure negative pressure injection negative pressure method for deposit negative-pressure pulverizer with intermediate storage bunker negative pressure region negative pressure suction appliance negative priming effect negative probability negative proposition negative punishment negative quadratic differential negative real axis negative real number negative recurrent state negative refraction negative refraction index materials negative-refraction-index materials negative refractive index negative regression negative reinforcement negative relation negative resistance negative resistance amplifier

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。