cold emission

例句：

1. 1. The cold emission of the device is very low, which makes it suitable for indoor use.
   该设备的冷发射非常低，适用于室内使用。
2. 2. The research on cold emission has significant implications for energy conservation and emission reduction.
   关于冷发射的研究对于能源节约和排放减少具有重要意义。
3. 3. In order to reduce the cold emission of the vehicle, manufacturers are exploring new technologies.
   为了减少车辆的冷发射，制造商正在探索新技术。