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hybrid seed orchard
释义
hybrid seed orchard
Encyclopedia
农学
种子生产区
释
hybrid seed orchard
杂种种子园
选用遗传品质好、遗传基础不同的两个或两个以上的栽植材料(树种)营建,以生产具有杂种优势林木种子为目的的种子园。
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oil drawing process of single well tank
Oil Drilling & Production Technology
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oil extended rubber
oil-extended rubber
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Oilfield Chemistry
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Oil Field Equipment
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