chromatic subcarrier

例句：

1. 1.The digital television broadcasting system uses a chromatic subcarrier to transmit the audio and video signals.
   数字电视广播系统使用彩色副载波来传输音频和视频信号。
2. 2. In the field of wireless communication, the chromatic subcarrier is an important component for frequencydivision multiplexing.
   在无线通信领域，彩色副载波是频率分复用的重要组件。
3. 3. The chromatic subcarrier plays a crucial role in the transmission of high-definition television signals.
   彩色副载波在传输高清电视信号中起着至关重要的作用。