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grazing ban for pasture restoration
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grazing ban for pasture restoration
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农学
退牧还草
释
grazing ban for pasture restoration
退牧还草
在中国牧区一定地域范围内,通过采取适当减少或停止放牧家畜,使该区草地植被休养生息并逐渐得以恢复的工程项目,也是中国“十五”期间推行的国家政策性项目。
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aromaticity
aromaticity sextet
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aromatic planar ligands of G quadruplex
aromatic planar ligands of G-quadruplex
aromatic polyamide
aromatic polyamide fiber
aromatic polyamide hydrazide fiber
aromatic polyester
aromatic polyester; polyarylate; poly (aryl ester)
aromatic polyether
aromatic polyether; poly (aryl ether)
aromatic polysulfonamide
aromatic polysulfonamide (PSA)
aromatics
aromatic sextet
aromatics extraction
aromatics production technology
aromatic sterane series
aromatic transition state theory
aromatic water
aromatization
Aronhold
Aronhold equations
Aronhold process
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