农牧兼营制 combination of cropping and husbandry 统一经营制 uniform management system ..
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It is very significant for maize production to transfer form material production to a combination of cropping, animal husbandry and proseccing.
玉米生产由原料型生产转变为种植、养殖、加工相结合的综合性生产具有重要意义。
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