miniwatt amplifier

例句：

1. 1.The power supply for this device is a miniwatt.
   这个设备的电源是微型瓦特。
2. 2. The battery has a capacity of 50 microwatts.
   电池的容量为50微瓦特。
3. 3.The miniwatt light bulb is much more energy-efficient than the traditional incandescent bulb.
   这种微型瓦特灯泡比传统的白炽灯更加节能。