cross section
短语横截面 [化] 截面; 横截面; 变截面; 断面
发音
其它
词形变化
cross sections
复数
释义与例句
n.
-
1.
A section formed by a plane cutting through an object, usually at right angles to an axis.
横截面
-
2.
A sample meant to be representative of a whole population.
数学 -
3.
The probability that a particular nuclear reaction will take place.
物理