“农业环境保护发展史”的概念、定义、翻译、参考文献-科学参考

单词	农业环境保护发展史
释义	农业环境保护发展史 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	characteristic class characteristic class of a fiber bundle characteristic class of a manifold characteristic cohomology class characteristic commercial street(district) characteristic concentration characteristic condition characteristic cone characteristic congruence characteristic conoid characteristic constant characteristic coordinate Characteristic Cultural Industries characteristic curve characteristic cycle characteristic database characteristic derivative characteristic determinant characteristic differential equation characteristic differentiation characteristic direction characteristic dyadic characteristic (eigen) value of a matrix characteristic element characteristic energy loss spectrum

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。