环路: loop; ring circuit contour; ...控制器: controller; regulator; monit ...环路控制: loop control开环路控制: open loocontrol闭合环路控制: closed loop control混合环路控制: hrc hybrid ring control; hybrid ring control (hrc)数据环路控制: data link control电路控制器: circuit controller多路控制器: multiplex controller分路控制器: branch controller话路控制器: speech path controller回路控制器: loocontroller链路控制器: link controller旁路控制器: by-pass control网路控制器: network controller线路控制器: line control unit闭回路控制器: loocontroller单回路控制器: single loop controller,; single-loop controller单线路控制器: single line controller多回路控制器: multiloocontroller多线路控制器: multiline controller电话线路控制器: tlco telephone line controller辅助链路控制器: secondary link controller高速多线路控制器: hmlc high speed multiline controller基本多路控制器: basic multiline controller
