And comparative-advantage industry of northeast agriculture is farming and stockbreeding. And main advantage agricultural products are corn, soybean, beet , milk, sheep wool, and poultry eggs.

具有比较优势的农业产业是种植业和畜牧业，具有比较优势的农产品是玉米、豆类、甜菜、牛肉、牛奶、绵羊毛和禽蛋。

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Using corn, soybean, skimmed milk powder as main raw materials, the authors produced enriching nutrition powder with iron and zinc by cook processing.

以玉米、 大豆、 脱脂奶粉为主要原料，用膨化加工手段生产铁锌强化营养粉。

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