某女，32岁。症见小便点滴不通，或量少而短赤灼热，小腹胀满，口苦口黏，大便不畅，舌质红苔黄腻，脉数。若湿热久恋下焦，导致肾阴灼伤而出现口干咽燥，潮热盗汗，手足心热，舌光红，则可改用（）

A.黄连温胆汤加大黄、丹参

B.滋肾通关丸加苍术、黄柏等

C.滋肾通关丸加生地黄、车前子、川牛膝等

D.清开灵注射液

E.六味地黄丸

Frame Relay is simplified form of (66) , similar in principle to (67) , in which synchronous, frames of data are routed to different destinations depending on header information.

Packets are routed throught one or more Virtual Circuits known as (68) . Most Virtual Circuits are (69) , which means that the network provider sets up all DLCI connections at subscription time. (70) are also part of the Frame Relay specification. They privide a link that only lasts only as long as the session.

66（）

A．Datagram Switching

B．Datagram Routing

C．Packet Switching

D．packet Routing