“development history of agricultural environmental protection”的概念、定义、翻译、参考文献-科学参考

单词	development history of agricultural environmental protection
释义	development history of agricultural environmental protection Encyclopedia 农学[农业环境保护总论]释 development history of agricultural environmental protection农业环境保护发展史防治土壤肥力过度衰竭、维护土地休养生息等农业环境保护的行为、制度、理论、技术及其体制机制的发展过程。
随便看	surface of positive curvature surface of r contours surface of revolution surface-of-revolution parallel surface of rotation surface of screw motion surface of second order surface of section surface of semiconductor surface of singularities surface of slope surface of spatial type surface of striction surface of the second class surface of third order surface of translation surface of zero velocity surface optics surface order surface parameterization surface passivation technology surface patch surface penetrating effect surface performance testing surface phase

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。