manual calculator造句

例句与造句

1. First, the manual calculator was replaced by an external box operated by a new crew member.
2. Called " anzan, " which translates roughly as " mental calculation, " the technique springs from an age when the easiest way to work with large numbers was to use an abacus, a manual calculator introduced to Japan from China in the 1500s.
3. It's difficult to find manual calculator in a sentence. 用manual calculator造句挺难的