single cross hybrid

例句：

1. 1. The researchersare working on developing a new single-cross hybrid that could revolutionize agriculture.
   研究人员正在开发一种新的单交杂交种，有望彻底改变农业。
2. 2. The single-cross hybrid has been proven to be more resistant to pests and diseases than its parent varieties.
   这种单交杂交种已被证明比其亲本品种更能抵抗害虫和疾病。
3. 3. The single-cross hybrid is being tested in various regions to determine its suitability for commercial production.
   这种单交杂交种正在不同地区进行测试，以确定其是否适合商业生产。