“subscriber loop”可以造什么句，subscriber loop造句

These wideband subscriber loop systems would provide access to services such as picturephone and video entertainment. Widespread installation of these broadband services will become economically feasible.

These wideband subscriber loop systems would provide access to services such as picture-phone, video entertainment.

"The direct cause is the emerging aTM-based BISDN and the advent of aDSL, the shortened form of asymmetric digital subscriber loop."