cross sections

• 截面

cross sections的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 cross section:

1. a section created by a plane cutting a solid perpendicular to its longest axis

2. a sample meant to be representative of a whole population

3. (physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns