cross section
复数形式
cross sections
1
横截面, 剖面
the non-empty area formed by the intersection of a solid object in three-dimensional space and a plane, or the corresponding concept in higher-dimensional spaces
2
有效截面, 相互作用概率
(physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns
3
代表性样本, 代表性横截面
a sample meant to be representative of a whole population