| 术语 | double polling |
| 释义 | double polling 双重轮询技术;［双倍轮询］ A technique where by a discrete signal is transmitted twice to a station of a multipoint circuit by a polling device, such as a computer. The station will respond to the first signal with a “ready-to-transmit" signal if it has traffic ready to send, and it will transmit the message after receipt of the second signal. 一种轮询技术,借助这种技术探询设备(如计算机)可向多点线路中的某个工作站发两次 信号。如果这个站的信息发送已准备就绪,则在接受第一个信号之后发出“准备发送"响应 信号,待接收到第二个信号时立即发送信息。 |
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