Publishers and subscribers do not transmit messages directly, but through broker.
A: 正确
B: 错误
A: 正确
B: 错误
举一反三
- Publishers and subscribers do not transmit messages directly, but through broker.
- In the 1600's, if a man wanted to buy or sell shares of stock, he had to do it through（） A: the government B: himself C: a broker D: the stock exchange
- Polymers transmit heat mainly through free electrons.
- Messages are transmitted through a variety of sensory channels.
- Channel A: a word that indicates a response is not required B: a range of frequencies used by a particular station to transmit radio messages