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

单词	water conservancy in ancient Kaifeng city
释义	water conservancy in ancient Kaifeng city Encyclopedia 工学〔中国古代城市水利〕释 water conservancy in ancient Kaifeng city古都开封水利古代开封市的航运、防洪、供水、灌溉等水利事业。
随便看	social bookmarking social capital Social Cascades social categories social categorization social-centered system social change social choice social choice theory social circle social circuit model social classes with different sexualites social coalitions theory social cognition social cognition process social cognitive theory social cohabitatio Social Collective Behavior social combustion theory Social Commerce social commerce social commitment social communication social community social comparison process

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。