如何使用 "abacus" 造句

1. In english we call it an abacus .
在英语里我们叫它为一个算盘。
2. The chinese invented the abacus ; india invented the binary and the decimal systems .
中国人发明了算盘;而印度人发明了二进制及十进制算法。
3. When students mastered the abacus , they developed more confidence in their ability to do math .
学生学会了算盘,提高了他们学习算术的信心。
4. China , which invented the abacus as we know it today , should tell its statisticians to fix theirs .
正如我们今天都知道的,中国,是它发明了算盘,那么它也应该让它的统计员们正确地使用他们的算盘。
5. Such fine calibrations may date back to the use of the abacus , and to an old chinese convention that assumes a 360-day year for the purpose of reckoning interest payments .
如此精细的调整可追溯到算盘的使用,追溯到中国的一个古老传统,即假设一年为360天,以达到简化利息支付的目的。