a real number that cannot be expressed as a rational number
双语例句
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 irrationalnumber 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 irrationalnumber 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 irrationalnumber 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.
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.
