slide rule造句

1、One handy example is the replacement of the slide rule by the pocket calculator.
一个简便的事例是用袖珍计算器代替计算尺。

2、The slide rule function is used primarily in aviator watches.
该计算尺功能主要用于飞行员手表。

3、The principle, structure and usage of the pan-shaped slide rule of Gray code are introduced.
介绍作者研制的盘式格雷码计算尺的原理、结构和使用方法。