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anthropogenic mellowing of soil
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anthropogenic mellowing of soil
Encyclopedia
农学
土壤熟化作用
释
anthropogenic mellowing of soil
土壤熟化作用
通过耕作培肥和改良土壤等技术措施,使土壤的耕性不断改良,肥力不断提高,植物生长条件不断改善的过程。又称生土变熟土过程。
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Joule's law
Joule Thompson expansion
Joule-Thompson expansion
Joule Thomson coefficient
Joule-Thomson coefficient
Joule Thomson effect
Joule-Thomson effect
Jounalism
Jounalists' Values of Media and Ethics: Survey on Jounalists in Shanghai 2002 (IV)
Jouranl of Marketing Science
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Jourdain principle
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Journal for the History of Astronomy
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Journalism and Communication Department of Communication University of China
Journalism and Communication Institute of Tsinghua University
Journalism and Mass Communication Monthly
Journalism and Mass Communication Quarterly
Journalism and Photography of Beijing Film School
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