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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A simple example of the first type is the slide rule, which mathematicians and scientists have been using for generations . 好几代数学家和科学家沿用的计算尺就是第一类中的简单例子。
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In offices there are slide rules for multiplication and division, and desk machines which can add, subtract, multiply and divide . 在办公室里有能做乘法除法的计算尺，以及能加减乘除的台式计算机。
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A slide - rule is a simple analogue computer 计算尺是简单的模拟计算机
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Azimuth ustment slide rule 方位角修正计算尺
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Inscribed with a dozen or more function scales , the slide rule symbolized the mysteries of arcane science 计算尺上刻著十几种函数刻度，宛如科学奥秘的化身。
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Before the 1970s the slide rule , or slipstick , was as common as the typewriter or the mimeograph machine 1970年代之前，计算尺跟打字机和油印机一样，随处可见。
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Several complementary computing dimension chain formulas of extremum method and probability method are deduced 推导了使用极值法、概率法计算尺寸链的补充公式。
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1660 william oughtred , english mathematician who invented the slide rule in 1622 , died at albury in surrey 1622年发明计算尺的英国数学家威廉?奥特雷德在萨里郡奥尔伯里逝世。
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He enjoyed measuring , sawing , building , explaining the operation of the slide rule to us , working out fraction problems 他喜欢测量、切割、建造、给我们讲解计算尺的操作、计算分数问题。
