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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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solar air mass
Solar and Heliospheric Observatory
Solar and Heliospheric Observatory probe
solar and terrestrial radiation meter
solar annual tide
Solar, Anomalous, and Magnetospheric Particle Explorer
solar antapex
solar apex
solar array drive assembly
solar assisted heat pump air-conditioner
solar atlas
solar atmosphere
solar atmosphere and solar activities
solar-atmospheric link
solar atmospheric tide
solar attraction
Solar-B
solar battery
solar-blind detector
solar breeze
solar burst
solar burst monitoring
solar calendar
solar car
solar cell
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