对于折射光来说，平行入射面的光振动与垂直入射面的光振动振幅之比是单调上升的。
It is also found that the ratio between the two in the refracted light is monotone increasing.
当脉动幅度与平均磁场强度之比为有限值时，在一般情况下，控制方程中的非线性项不能略去，因而不能用WKB解来描述有限振幅脉动幅度的径向变化。
When the amplitude of the fluctuation is finite with respect to the average magnetic field intensity, the nonlinear terms in the garvening equations can not be droped and the WKB aproxima-tion fails.
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