threshold strength

例句：

1. 1.The threshold strength of the material is critical to its performance.
   材料的门槛强度对其性能至关重要。
2. 2. The new design has exceeded the threshold strength for safety.
   新设计已经超出了安全阈值强度。
3. 3. The researchers found that the threshold strength for a certain chemical reaction had been surpassed.
   研究人员发现，某种化学反应的门槛强度已经被超过。