transmission  
noun uk/trænzˈmɪʃ.ən/ us/trænsˈmɪʃ.ən/
  (RADIO/TELEVISION)      
 C2 [ C or U ](广播、电视等的)播送,播送内容 
the process of broadcasting something by radio, television, etc., or something that is broadcast
  We apologize for the interruption to our transmissions this afternoon. 我们为今天下午广播节目的中断表示歉意。 
 - More examples
 - The microphone converts acoustic waves to electrical signals for transmission.
 - We rely on high-speed data transmission.
 - Broadband transmission has speeded up access to these sites.
 - TV transmissions were interrupted for the announcement of the princess's death.
 
  (PASSING)      
 C2 [ U ]传递;传播 
the process of passing something from one person or place to another
  the transmission of disease 疾病的传播 
   (VEHICLE)      
 [ C or U ]传动装置 
the machinery that brings the power produced by the engine to the wheels of a vehicle
  automatic transmission 自动传动装置 
 The car had a faulty transmission. 这辆汽车的传动装置出了故障。