Videophone, videoconferencing and other conversational multimedia services on fixed bit-rate networks (such as ISDN) depend on the multiplex structure described in Recommendation H. 221.

固定比特率网络（诸如ISDN）上的可视电话、会议电视以及其他会话型多媒体业务依据建议H.221中所描述的多路复用结构。

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Then there is life insurance, which at least seems to offer a guaranteed fixed rate of interest, plus a bit more in good years.

ECONOMIST: Not all it should be

Earlier this week, the Council of Mortgage Lenders said the main effect of FLS so far was to make fixed-rate mortgage deals, which account for about two-thirds of all new mortgage borrowing, a bit cheaper than before.

BBC: Bank of England