复数： abacuses
易混淆的单词： ABACUS

In english we call it an abacus .

在英语里我们叫它为一个算盘。

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。

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。

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。

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。