threshold behaviour of the reaction

例句：

1. 1.The threshold behaviour of the reaction is crucial for understanding its dynamics.
   反应的门槛行为对于理解其动态至关重要。
2. 2. The researchers found that the threshold behaviour of the system changed with temperature.
   研究人员发现系统的温度变化会影响其门槛行为。
3. 3.The threshold behaviour of the material was determined by measuring its electrical resistance.
   通过测量材料的电阻来确定其门槛行为。