A technique used to return acknowledgement information across a full-duplex (two-waysimultaneous) data link without the use of special (acknowledgement) message.
经全双工(双向同时)数据链路，不用专门(确认)报文返回确认信息所用的技术。
2
A technique used to return acknowledgement information across a full-duplex (two-waysimultaneous) data link without the use of special (acknowledgement) message.
经全双工(双向同时)数据链路，不消专门(确认)报文返回确认信息所用的技巧。
3
There should be some way to mediate simultaneous requests for the same resource, such as two people trying to print to a printer at the same time.