binary adding device造句

例句与造句

1. As he worked in Bell Laboratories, he observed the " burdensome'use of mechanical calculators with gears . " He went home one evening in 1937 intending to test his idea . . . When the tinkering was over, Stibitz had constructed a binary adding device ".
2. It's difficult to find binary adding device in a sentence. 用binary adding device造句挺难的