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退耕还草
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退耕还草
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。
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graph theory modeling method
graph theory of polymer
graph thickness
graph transformation
graph two-coloring
graph union
graph vertex
graph with loops
graph without chords
graph without loops
graph without triangle
graphyne
grapple skidder
graptolites
Grasberg copper deposit
Grasberg copper-gold deposit
graser
Grashoff
Grashoff number
Grashof number
grasping manipulation
grasping of mathematical concepts
grasp reflex
Grass
grass and crop rotation
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