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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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earnings per share method
Earnshaw theorem
ear ossicle
earphone
earphone for speech communications
earpiece
earplugs
ear preparations
ear protector
ear rate
earring
earshot
ear swell ear block
ear tag
Earth
earth
earth anchor
Earth and Planetary Science Letters
earth and rockfill dam
earth and rock filling of railway
earth-approaching asteroid
earth-approaching comet
earth-approaching object
Earth Art
earth atmosphere
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