double capacitor

例句：

1. 1. The double capacitor is used to store energy in a compact form.
   双电容器用于以紧凑的形式存储能量。
2. 2. In electronics, a double capacitor is used to filter out noise from the circuit.
   在电子学中，双电容器用于从电路中滤除噪声。
3. 3. The double capacitor is an essential component in many electrical systems.
   双电容器是许多电气系统中不可或缺的组件。