impact brittleness

例句：

1. 1. The impact of the new policy on the economy has been significant.
   新政策对经济的影响是显著的。
2. 2.The impact brittleness of the material was tested under various conditions.
   该材料的脆性影响在各种条件下进行了测试。
3. 3. The impact brittleness of the material is affected by factors such as temperature and humidity.
   材料的冲击脆性受到温度和湿度等因素的影响。