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path of agricultural technology progress
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path of agricultural technology progress
Encyclopedia
经济学
速水-拉坦诱导性创新理论
释
path of agricultural technology progress
农业技术进步道路
农业生产中先进技术对落后技术的替代方式。表现为用同样多的农业资源可以生产出更多的农产品,或者生产同样多的农产品只需要投入比以前更少的农业资源。
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flow of a dynamical system
flow of control
flow of control, control flow
flow of economy
flow of fluid machinery
flow-of-funds table
flow of information
flow of minimum cost
flow of weights
flow on a torus
flow-out
flow-out device
flow part form of multi-stage axial flow compressors
flow passage of steam turbine
flow pattern
flow pattern identification
flow pattern of river water
flow patterns in porous media
flow patterns of liquid-gas two-phase flow
flow polynomial
flow potential
flow pressure drop
flow primary standard
flow principle
flow problem
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