“water conservancy machinery in ancient China”的概念、定义、翻译、参考文献-科学参考

单词	water conservancy machinery in ancient China
释义	water conservancy machinery in ancient China Encyclopedia 理学中国古代水利机械释 water conservancy machinery in ancient China中国古代水利机械中国古代各种提水机械和利用水能的各种加工机械的起源、发展、成就及特点的记录及总结研究。
随便看	population aggregated distribution population aging population aging level Population and Family Planning Law Population Atlas of China Population attributable Fraction，PAF population attributable risk，PAR population balance density population balance mode population-based strategy population-based study population behavior of complex financial systems population biology population bottleneck population capacity population carrying capacity population census population census of China population characteristic population classification population colonization population comparison population control population correlation coefficient population covariance

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。