cross section_单词cross section_cross section的解释和用法

cross section

形容词: cross-sectional

cross section基本解释

横切面；剖面；样品；抽样

cross section英英释义

Noun:

a section created by a plane cutting a solid perpendicular to its longest axis
a sample meant to be representative of a whole population
(physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns