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旱地农业
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旱地农业
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农学
旱地农业
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dryland agriculture
旱地农业
在降水稀少又无灌溉条件的干旱、半干旱和半湿润易旱地区,主要依靠天然降水和采取一系列旱作农业技术措施,以发展旱生或抗旱、耐旱的作物和牧草为主的农业。又称旱作农业或雨养农业。
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critical coagulation concentration
critical coefficient
critical concentration
critical concentration of plant nutrients
critical condition
critical constant
critical cultural theory
critical current
critical current of type two superconductor
critical damping
critical [damping] resistance
critical damping resistance
critical degree of saturation
critical density
critical density of the universe
critical depth of groundwater
critical determinant
critical difference
critical dimension
critical discharge
critical discourse analysis theory
critical distance
critical ecosystem
critical edge
critical electric field
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