string switch造句

例句与造句

1. The combination of an A-unit with one or more optional B-units is a " string . " " String switch " is an optional feature on most A-units that allows the controller in the A-unit to be switched between two directors, thereby providing additional paths into a string of DASD.
2. It's difficult to find string switch in a sentence. 用string switch造句挺难的