牛中原
Niuzhongyuan
以上为机器翻译结果，长、整句建议使用 人工翻译 。
东汉后期或魏晋南北朝，北方中原地区始进入牛耕时代，南方还要晚一些。
It was only during the late Eastern Han or the period of Wei, Jin, Northern and Southern Dynasties that tilling with cattle appeared in the northern Central Plains, and still later in South China.
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