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theory on everlasting of soil fertility
释义
theory on everlasting of soil fertility
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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BIL
bilabial
bilanafos
bilaplacian
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bilateral
bilateral air services agreement
bilateral basic hypergeometric series
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bilateral constraint
bilateral currency swap agreement
bilateral derivative
bilateral distribution
bilateral family
bilateral implementation mechanism
bilateral investment promotion and protection agreement
bilateral Laplace transform
bilaterally bounded sequence
bilaterally invariant
bilateral maritime agreement
bilateral network
bilateral observation
Bi-lateral Resource Integration Service
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