semi-arid region northwestern
semi-arid region northwestern
西北半干旱区
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Runoff collecting irrigation agriculture rapidly rises in the last stage of the eighth five year plan in northwestern arid and semi arid region, and it plays an active role in promoting grain output.
集流灌溉农业是“八五”末期在我国西北干旱、半干旱地区迅速兴起的农业灌溉方式，对该区增产粮食起到积极推动作用。
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