peripheral milling cutter

例句：

1. 1. The company's growth is largely driven by its peripheral operations.
   该公司的增长在很大程度上是由其外围业务驱动的。
2. 2.The new policy is designed to protect the marginal farmers in the area.
   这项新政策旨在保护该地区的边缘农民。
3. 3. The research focused on the peripheral effects of climate change on agriculture.
   该研究关注气候变化对农业边缘影响的方面。