My father, who was trained in engineering at M. I. T. in the slide-rule era, often lamented the way the pocket calculator, for all its convenience, diminished my generation's math skills.

我的父亲，在幻灯片统治时代，他在麻省理工学院接受工程教育，经常感叹由于袖珍计算器带来的便利性，削弱了我这一代人的数学能力。

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Dad looked straitlaced in his short-sleeved white shirt, skinny tie, and plastic pocket liner holding a pen, a notebook, and sometimes a slide rule.

父亲穿着短袖白衬衣，戴着薄领带，上衣口袋里放着一支笔和一本笔记本，有时候还有皮尺，看上去真的很刻板。

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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。

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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。

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