例句與造句

1. So astronomers had to undertake numerical computer simulations ? not an easy task in the days of punch - card computing
   因此天文學(xué)家只能求諸電腦數(shù)值模擬這在以打洞卡輸入電腦資料計算的年代，實在是個艱難的工作。
2. It's difficult to find numerical computer in a sentence. 用numerical computer造句挺難的