异态不亲和系统涉及两种或三种不同类型的花，它们的花粉和柱头结构存在差异，通常是花柱和雄蕊的长度不同。

Heteromorphic systems involve two or three different forms of flower with differences in pollen and stigma structure and usually differences in style and stamen length.

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柱头外露的基因型明显的表现为长柱头、长花柱和长粒型。该研究为大豆“三系”和“两系”的直接利用提供育种资源，促使杂交大豆走向大规模商业化。

That finding will directly provide breeding resource for application of "three-line hybrid" and "two-line hybrid" in soybean, which will make hybrid soybean come in market cosmically.

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