rational
a. 理性的, 合理的 n. 有理数
发音
词形变化
别名
教材释义与例句
合理的；理性的
释义与例句
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1.
A rational number: a number that can be expressed as the quotient of two integers.
数学The quotient of two rationals is again a rational.
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1.
The breastplate worn by Israelite high priests.
历史
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1.
Capable of reasoning.
合理的
理性的
Man is a rational creature.
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2.
Logically sound; not self-contradictory or otherwise absurd.
合理的
His statements were quite rational.
Prevention for the future is now almost universally allowed to be the only rational plea for the infliction of punishment; but this, when left to the arbitrary discretion of individuals, always has been found, and always will be found, to degenerate into the exercise of revenge for the past.
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3.
Healthy or balanced intellectually; exhibiting reasonableness.
rational conduct
Temperature 99.8 degrees. Pulse 104. She was quite conscious and rational at times, at others very noisy.
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4.
Comprising, or expressible as, a ratio
Of a number, capable of being expressed as the ratio of two integers.
有理
数学¾ is a rational number, but √2 is an irrational number.
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5.
Comprising, or expressible as, a ratio
Of an algebraic expression in indeterminates, or more generally a function: capable of being expressed as the ratio of two polynomials.
有理
数学 -
6.
Comprising, or expressible as, a ratio
Of a variety: (informally) geometrically simple almost everywhere; (formally) birationally equivalent to projective space
数学 -
7.
Comprising, or expressible as, a ratio
Of a function between varieties: acting as a morphism on an open subset of its domain.
数学 -
8.
Comprising, or expressible as, a ratio
Of a point on an algebraic variety over a field: whose coordinates belong to the field in question (in contrast to those points of the variety which are only defined over the algebraic closure of the base field).
数学 -
9.
synonymous replacement for "condensed" in condensed formula.
废旧 化学
词汇关系
同义词 2
反义词 1
近义相关 8
参见 7
相关短语
词源
From Old French rationel, rational, from Latin rationalis (“of or belonging to reason, rational, reasonable; having a ratio”), from ratio (“reason; calculation”).
来源：wiktionary