例句與造句

1. At the " American Ephemeris " an electromagnetic computer, the IBM Selective Sequence Electronic Calculator was used since 1948.
2. The exhibits also include a gilded black laminate French calculator from 1855 that resembles a fancy upright piano and IBM's Selective Sequence Electronic Calculator of 1948 _ a gunmetal gray desk topped by a three-foot high control panel made up of scores of toggle switches and tiny lights _ that might have starred in a 1950s science fiction film.
3. It's difficult to find selective sequence in a sentence. 用selective sequence造句挺難的