It is differ both from the method of "circulate line selection" for seed reproduction and from the method of "pure line breeding" for varieties development.

该方法既区别于单纯生产原种的“株系循环法”，也区别于选育新品种的纯系育种法。

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It is differ both from the method of "circulate line selection" for seed reproduction and from the method of "pure line breeding" for varieties development.

该方法既区别于单纯生产原种的“株系循环法”，也区别于选育新品种的纯系育种法。

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