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地力常新壮说
释义
地力常新壮说
Encyclopedia
理学
〔古代农业思想〕
释
theory on everlasting of soil fertility
地力常新壮说
宋代陈旉对土壤肥料之科学总结,认为合理利用土壤、改良土壤和培肥土壤,土壤肥力不会减弱衰退,反而越种越肥,实现地力的常年新壮,驳斥了地力衰退论。
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information review
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information ring model
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information room fire
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information safety management
Information Schools,iSchools
Information School, University of Washington
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information science
information science education
Information Science in Theory and Practice
Information Science:An Integrated View
information screening
information screening theory
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information security architecture
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Information Security Management Systems
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Information Security Technology-Guideline for Personal Information Protection within Information System for Public and Commercial Services
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