“水土保持区划”的概念、定义、翻译、参考文献-科学参考

单词	水土保持区划
释义	水土保持区划 Encyclopedia 工学水土保持规划释 soil and water conservation regionalization水土保持区划在综合分析不同区域自然地理分异性、水土流失地域分异性和经济社会发展区域差异对水土流失防治的需求基础上，按区划分级体系和指标体系对水土保持区域类型的划分。
随便看	proportional relation proportional relations among agriculture,light industry and heavy industry proportional relations among primary industry,secondary industry and tertiary industry proportional representation proportional sampling proportional selection proportional sequence proportional stratified sampling proportional subclass number proportional trapping proportional valve proportional variable proportion by addition proportion by addition and subtraction proportion by alternation proportion by subtraction proportioner proportion of nonconforming items proportion of piped onto premises proportion of soil erosion control proportion of wind and solar power generation in electricity production proportion relationship between accumulation and consumption proportion relationship between two-major parts of social production proportion with equal means proposal

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。