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水土保持耕作措施
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水土保持耕作措施
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农学
水土保持耕作措施
释
soil and water conservation tillage measure
水土保持耕作措施
在水蚀和风蚀的农田中,采用改变小地形、增加植物被覆、地面覆盖和增强土壤抗蚀力等方法,达到保水、保土、保肥、改良土壤、提高产量的农业技术措施。主要用于治理坡耕地的水土流失。
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media management
media market analysis
media marketing segmentation
media market penetrability strategy
media market pioneering strategy
media market positioning
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media morphosis theory
Media Museum at Communication University of China
median
median absolute deviation
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Median effective dose
median effective dose
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median lethal concentration for fishery organisms
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