“conversion of cropland to forest and grassland”的概念、定义、翻译、参考文献-科学参考

单词	conversion of cropland to forest and grassland
释义	conversion of cropland to forest and grassland Encyclopedia 农学水土保持林草措施释 conversion of cropland to forest and grassland退耕还林还草从保护和改善生态环境出发，将易造成严重水土流失的坡耕地、易造成严重土地荒漠化及生态地位重要且粮食产量低而不稳的耕地，有计划、分步骤地停止耕种，因地制宜地造林种草，恢复林草植被。
随便看	partial fraction theorem partial function partial functional partial functional dependency partial functional-differential equation partial functor partial generalized gradient partial geometry partial graph partial group partial groupoid partial homomorphism partial hypergraph partial increment partial index partial information partial inner product partial inner product space partial integral partial integral of energy partial integration partial interference function partial inverse difference partial isometry partial isometry element

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。