selective fermentation

例句：

1. 1. The company's decision to invest in new technology is selective.
   该公司决定投资新技术是有针对性的。
2. 2. The research team focused on the selective aspects of the study.
   研究团队专注于研究的选择性方面。
3. 3. The selective breeding process helps to create desirable traits in plants.
   选择性育种过程有助于在植物中创造期望的特性。