“河套地区农业史”的概念、定义、翻译、参考文献-科学参考

单词	河套地区农业史
释义	河套地区农业史 Encyclopedia 理学中国农业史释 agriculture history in Hetao region河套地区农业史中国阴山至蒙陕长城、贺兰山至晋陕峡谷整个河湾内外的农业发展历史。
随便看	river channel bed river channel bed form river channel self-adjustment river channel strengthening engineering river chart river closure river connectivity restoration river corridor river crossing and bridge equipment river deity temple river density river disconnection river-dominated delta river dynamics river ecosystem river engineering river environmental planning river erosion and deposition calculation river feeding river fishery environment river flood disaster river flood forecasting river flood routing calculation river floods in China river flow estimation

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。