ternary hybrid meaning in English

三系杂种
三元杂种

We integrated predecessors ' research about the type of chinese japonica hybrid rice in different period , combined with ages of practice , discussing respectively b7 comprehensive analysis about the type of japonica ternary hybrid rice and two - line hybrid rice germplasm
摘要整合前人在不同时期对中国杂交粳稻类型的研究，结合多年的实践，通过综合分析，分别论述了粳型三系杂交稻和二系杂交稻种质资源的类型。