“cities of Ancient Mesopotamia”的概念、定义、翻译、参考文献-科学参考

单词	cities of Ancient Mesopotamia
释义	cities of Ancient Mesopotamia Encyclopedia 工学〔中世纪以前﹞释 cities of Ancient Mesopotamia 古代两河流域城市约公元前4000～前200年，位于西亚地区的幼发拉底河和底格里斯河流经地区所建设的居民聚集区与城市群。
随便看	variable-power lens variable preference structure variable pressure hydraulic system variable pressure operation variable profile antenna variable quantity variable radio object variable radio source variable-range hopping variable rate application variable rate fertilization variable rate irrigation variable rate sampling variable-ratio schedule variable reaction coordinate transition state theory variable refrigerant volume central air-conditioning system variable region variable reluctance stepping motor variable reluctive transducer variable rules variable selection variable selection for linear regression model variable separation method variable sign variables inspection

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。