base band transmission

例句：

1. 1.Baseband transmission is a method of transmitting data over a telephone line without using any modulation techniques.
   基带传输是一种在电话线上传输数据而不使用任何调制技术的方法。
2. 2. The baseband transmission was designed to be highly secure and resistant to interference.
   基带传输被设计成高度安全且抗干扰能力强。
3. 3. In the field of telecommunications, baseband transmission is used to transmit voice and data signals over long distances.
   在电信领域，基带传输用于在长距离上传输语音和数据信号。