单词：index breeding
index breeding的用法和样例：
例句
- The most active method to prevent bruchid is resistance mungbean breeding.选育和利用抗虫品种是防治豆象最有效的途径。
- Many different breeding schemes can be used to develop a base for new generation selections.为奠定新一代选育材料的基础，可以采用多种不同的育种方案。
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