Secondly, they devised the narrow-strip, three-field farming system which continued to the 18th century.

其次，他们设计的窄条三圃田农耕制延用至18世纪。

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Secondly, they devised the narrow-strip, three-field farming system which continued to the 18th century.

其次，他们设计的窄条三圃田农耕制延用至18世纪。

youdao