HTR

例句：

1. 1. 高频
   High-frequency
2. 2. 热导率
   Thermal conductivity
3. 3.高频传输
   High-frequency transmission
4. 1. The high-frequency signals are transmitted over long distances without any interference.
   高频信号在没有干扰的情况下可以远距离传输。
5. 2. The thermal conductivity of the material is very low, making it an ideal insulator.
   这种材料的热导率非常低，因此是一种理想的绝缘体。
6. 3. High-frequency communication systems are widely used in modern communication networks.
   高频通信系统在现代通信网络中被广泛使用。