n.理性；合理性
（复数）rationalities:合理的意见（信仰、行为等）.
He believed that rationality had triumphed. 他认为理性终究占了上风。
We can only speak of rationality relative to a frame of reference. 我们只能相对于一种参照系来谈论合理性。
Numerical results are given to show its stability and rationality. 本文还用数值模拟的办法对所提出方法的合理性和稳定性进行了探讨。
n.不合理；无理性
