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protection of cultivated land
释义
protection of cultivated land
Encyclopedia
农学
耕地保护
释
protection of cultivated land
耕地保护
采取法律、行政、经济、工程技术等手段和措施,使种植农作物的土地数量不减少和质量免受损坏,或数量增加和质量提高的一系列活动。
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galactic radio radiation
Galactic radio spur
Galactic ridge
Galactic rotation
galactic rotation
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galactic rotation curve
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galactic space
Galactic spiral structure
Galactic spur
Galactic stellar disk
Galactic structure
galactic structure
Galactic subsystem
galactic superbubble
Galactic supernova
galactic supernova
Galactic supernova remnant
Galactic System
galactic system
galactic thick disk
Galactic variable
galactic void
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