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grassland shallow ploughing
释义
grassland shallow ploughing
Encyclopedia
农学
退化草地修复技术
释
grassland shallow ploughing
草地浅耕翻
为改良草地表土的通透性、刺激植物的更新繁殖而进行的土壤耕翻深度较浅(通常不超过18厘米)的耕作措施。
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emission factors
emission flux
emission frequency
emission inventories
Emission inventory of pollutants
emission line
emission-line galaxy
emission-line nebula
emission-line object
emission-line star
emission measure
emission mechanism
emission microscope
emission nebula
emission nebulosity
emission of black hole
emission operator
emission performance standard for stationary source
emission point
emission probability
emission process
emission sources
emission spectrographic analysis
emission-spectroscopical
emission spectroscopy
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