restriction section

例句：

1. 1. The company's new product line is a significant expansion of its existing restrictions section.
   该公司的新产品线是其现有限制区段的重要扩展。
2. 2.The government has introduced several new restrictions to combat the spread of COVID-19.
   政府已经引入了若干新的限制措施来对抗COVID-19的传播。
3. 3. The research team focused on developing a more efficient restriction section for the new drug.
   研究团队专注于开发一种更高效的新药限制区段。