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1. Scientists boosted crop yields by crossbreeding related plants that add desirable traits.

科学家通过加入理想性状的相关植物杂交来增加作物产量.

2. Mendel tried crossbreeding.

孟德尔尝试了杂交育种。

3. Within Yunnan Province, where can purchase the Bohr goat crossbreeding?

在云南省内哪里可以买到杂交波尔山羊?

4. But traditional crossbreeding is a slow process.

但是,传统的杂交育种是一个缓慢的进程.

5. The inheritance of some fruit traits in canning yellow peaches was studied in the crossbreeding process.

在用杂交手段选育罐藏黄桃品种的实践中,对果实经济性状的遗传倾向作了分析.