precautionary range

例句：

1. 1. The company has set a cautious approach to its new product launch.
   该公司在新产品推出时采取了谨慎的态度。
2. 2.To ensure safety, the workers are required to follow the precautionary measures.
   为了确保安全，工作人员必须遵守预防措施。
3. 3.The research team conducted a thorough investigation into the precautionary range of the chemical.
   研究团队对化学物质的预防措施范围进行了彻底调查。