“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	Nicholson Nicholson-Bailey host-parasite model Nicholson formula Nicholson Regio Nichols plot Nichomachus Nichomachus (约60—约120) Nichomedes Nichomedes (约公元前280—210) nickase Nickel nickel nickel aluminate nickel arsenide structure nickel based cast and wrought superalloy nickel based cast superalloy nickel cadmium battery nickel-cadmium battery Nickel-free shape memory alloy nickel hydrogen battery nickel-hydrogen battery nickel-hydrogen electrolyte Nickelin nickeline nickel iron battery

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