temperature variation test

例句：

1. 1. The temperaturevariation test is crucial for understanding the behaviorof materials under different conditions.
   温度变化测试对于理解材料在不同条件下的行为至关重要。
2. 2. This temperaturevariation test measures the thermal conductivity ofthe material.
   这个温度变化测试测量材料的热导率。
3. 3. The temperature variation test is usedto determine the optimal operating temperature for thedevice.
   温度变化测试用于确定设备的最佳运行温度。