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the modern agriculture
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the modern agriculture
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经济学
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the modern agriculture
近代农业
由手工工具和人畜力农具转向机械化农具,由传统的直接生产经验转向近代科学技术,由自给自足生产转向商品化生产的农业。是农业的第三个历史阶段。
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potassium hydrogen phosphate
potassium hydroxide
potassium iodate
potassium iodide
potassium ion reabsorption
potassium ion secretion
potassium leak channel
potassium leak channel; potassium channel; K^+-channel
potassium magnesium sulfate fertilizer
potassium metallurgy
potassium minerals
potassium niobate crystal
potassium nitrate
potassium nutrition
potassium nutrition in plant
potassium orthophosphate
potassium perchlorate
potassium permanganate
potassium permanganate method
potassium persulfate
potassium polyphosphate
potassium-retaining diuretics
potassium-sodium exchange
potassium sorbate
potassium sulfate
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更新时间:2026/5/14 1:27:41