digit emitter

例句：

1. 1. The device isdesigned to emit a specific wavelength oflight for communication.
   该设备设计用于发射特定波长的光以进行通信。
2. 2. The digitaltransmitter was used to send data overlong distances without interference.
   数字发射器被用来在远距离上发送数据，而不受干扰。
3. 3. The digital emitter iscrucial for maintaining the accuracy of the measurementsystem.
   数字发射器对于保持测量系统的精度至关重要。