rational number

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In ancient time, rational number was the only kind of number to evaluate quantity.
在人類社會早期，有理數是衡量事物大小多少的唯一的一類數。
On this basis, the application sphere of unascertained rational number filtering is analyzed and it applied to the data-processing conditions of multi-input and single-output.
在此基礎上，分析了未確知有理數濾波的適用範圍，指出其應用於多輸入單輸出的數據処理情況。
This paper utilizes the Reciprocal Law Two Times to prove that the rational number of a kind of form is not the integer, and proves that the number of another kind of prime is limitless.
利用二次互反定律証明了某類形式的有理數不是整數，竝且証明了某類形式的素數的個數是無限的。

Because we've just sat in lecture and you've told us we're not being rational if we pick a high number.
因爲我們剛剛上過課,你告訴我們選大數的人是不理性的
耶魯公開課 - 博弈論課程節選

Twenty percent is a more rational number.
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We did this after weighing a number of factors mostly rational, but some emotional.
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There's no way to back that number up, but it sounds fairly rational.
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any real number of the form a/b, where a and b are integers and b is not zero, as 7 or 7/3