angular spread的用法和样例：
例句
- This is equivalent to an angular distribution of constituent plane waves.
这等价于各种成分的平面波的角分布。 - The influence of electrons and relativistic effects on the cross section, angular distribution, and spin polarization parameters of photoelectrons is studied in detail.
我们计算入射光子能量大于的游离阈而小于的游离阈时的光游离截面积，以及光电子角分布参数和自旋极化参数等物理量。
