“conversion of degraded farmland into grassland”的概念、定义、翻译、参考文献-科学参考

单词	conversion of degraded farmland into grassland
释义	conversion of degraded farmland into grassland Encyclopedia 法学草原法释 conversion of degraded farmland into grassland退耕还草中国实行的无偿给予农民粮食和补助，让其不再在坡耕地上种植粮食而改为种草，以防治坡耕地严重水土流失的措施。
随便看	carcass tumor inspection Carcavi carcinoembryonic antigen carcino-embryonic antigen，CEA carcinogen carcinogenesis carcinogenesis of environmental pollutant carcinogenic effect of space radiation carcinogenic effects of polycyclic aromatic hydrocarbons carcinogenicity of asbestos pollution carcinogenicity of environmental pollution carcinogenicity of nickel pollution carcinogenicity of N-nitroso compounds carcinogenicity of vinyl chloride pollution carcinogenicity study carcinogenicity study technique carcinogenic to humans carcinogens carcinoid syndrome carcinoid tumors of the appendix carcinoma carcinoma of bile duct carcinoma of ceruminous glands carcinoma of cevical esophagus carcinoma of duodenal papilla

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