冷阴极

例句：

1. 1. The cold cathode discharge is a crucial component in many electronic devices.
   冷阴极放电是许多电子设备中至关重要的组成部分。
2. 2. During the experiment, the researchers found that the cold cathode could significantly reduce the energy consumption.
   在实验过程中，研究人员发现冷阴极可以显著降低能源消耗。
3. 3. The cold cathode technology has been widely applied in various fields, such as environmental protection and energy saving.
   冷阴极技术已广泛应用于环境保护和节能等领域。