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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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freedom of press
freedom of procession and demonstration
freedom of religious belief
freedom of speech
freedom of strike
Freedom of the People
freedom of will
Freedom Ride
freedoms of the air
freedom to gain economic benefits
Freedom Torchlight Parade
free Dyck path
free education system for normal school student
Free Election
free electron
free electron approximation
free electron gas
free electron laser
free-electron laser
free-electron laser, FEL
free electron model
free-electron model
free element
free embedding
free end
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