irrational number
无理数
常用释义
英式发音
美式发音
基本释义
- 无理数：指不能表示为两个整数的比值的数。
例句
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1·The square root of two is an irrational number.二的平方根是一个无理数。
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2·Is an irrational number, also is a transcendental number.是一个无理数，也是一个超越数。
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3·The logical definition of the irrational number is rather sophisticated.无理数的逻辑主义是颇有些不自然的。
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4·The digit number of the extension of this irrational number is random on certain basis.在某种特定的情况下，这个无理数的扩展数字是随机的。
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5·When this rotating speed ratio is an irrational number, the distribution of grinding track becomes finer.当转速比为无理数时，研磨轨迹的分布较致密。
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6·It's also an irrational number, with an infinite number of decimal places and can't be written as a ratio of two whole Numbers.pai也是个无理数，它的小数位有无限多，而且pai无法写成了两个整数的比值。
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7·Amazingly, this works for any piece size, even if the cutting Angle is an irrational number: all the icing will be back on top after a finite number of steps.令人惊奇的是，对于任意大小的扇形，即使圆心角是一个无理数：经过有限步之后，所有的糖衣都会回到上面。
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8·The rotating number is generally an irrational number and only in some special conditions is a rational one, from which it can be known that the motion of the system is quasi-periodic or periodic.在此基础上分析系统的转动数，发现转动数一般为无理数，只在某些特定条件下存在有理旋转数，从而系统作准周期运动或者周期运动。
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9·A superstition is an irrational idea, like believing that the number 13 is unlucky!迷信是一种不合常理的想法，比如认为13是不吉利的数字！
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10·"There is probably a bubble in the number of start-ups," says Alan Patricof, a venture capitalist, though he is not yet convinced that there is irrational exuberance in later-stage valuations.风险投资家alan Patric of承认，“在众多创业企业中也许确实有泡沫存在”，不过他现在还不相信后期估值存在非理性繁荣。