“中国古代深井开凿技术”的概念、定义、翻译、参考文献-科学参考

单词	中国古代深井开凿技术
释义	中国古代深井开凿技术 Encyclopedia 工学中国古代深井开凿技术释 deep shaft sinking technique in ancient China中国古代深井开凿技术中国古代开凿深井，主要用于开采井盐卤水，称盐井；后来发展到开采天然气，称火井。
随便看	complete intersection system complete intersection variety complete inverse image complete item complete judgment complete k ary tree complete k-ary tree complete k-nary graph complete k partite graph complete k-partite graph complete language for complexity classes complete Latin square complete lattice complete lattice-ordered group complete law of contraposition complete law of double negative complete leaf Complete Library in the Four Branches of Literature, hand-copied edition by Imperial Household Department, Qianlong era, Qing Dynasty Complete Library of Four Treasuries Complete life table complete lift complete limit complete linear group complete linear series complete linear system

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。