slide rule
英 [ˈslaɪd ruːl]
美 [ˈslaɪd ruːl]
n. 计算尺; 滑尺
牛津词典
noun
- 计算尺；滑尺
a long narrow instrument like a ruler, with a middle part that slides backwards and forwards, used for calculating numbers
柯林斯词典
- 计算尺;滑尺
Aslide ruleis an instrument that you use for calculating numbers. It looks like a ruler and has a middle part that slides backwards and forwards.
英英释义
noun
- analog computer consisting of a handheld instrument used for rapid calculations