英语词汇“cross section”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

cross section also cross-sec·tion (krôssĕkshən, krŏs-)

a. A section formed by a plane cutting through an object, usually at right angles to an axis.

b. A piece so cut or a graphic representation of such a piece.

2. Physics A quantity, measured in units of barns, used to express the probability of an encounter between particles over a given area in a collision. Also called collision cross section.

3. Statistics A sample meant to be representative of a whole population.

4. Informal A variety; a diversity.

cross-section·al adj.

单词	cross section
释义	cross section also cross-sec·tion (krôssĕkshən, krŏs-) n. 1. a. A section formed by a plane cutting through an object, usually at right angles to an axis. b. A piece so cut or a graphic representation of such a piece. 2. Physics A quantity, measured in units of barns, used to express the probability of an encounter between particles over a given area in a collision. Also called collision cross section. 3. Statistics A sample meant to be representative of a whole population. 4. Informal A variety; a diversity. cross-section·al adj.
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