At all angles less than the critical Angle, both reflection and refraction occur.
对于所有小于临界角的入射角，则既发生反射，又发生折射。
In this paper, the effects of critical electron density of plasma and the plasma frequency of electron on the refraction, absorption and reflection of the electromagnetic wave are studied.
着重研究了等离子体临界电子密度、电子等离子体频率等参数对电磁波的折射、吸收、反射的影响。
A shock polar theory is employed to analyze critical angles of transition from regular refraction to irregular refraction.
运用激波极曲线理论分析不同强度的激波从正规折射过渡到非正规折射的临界角变化。
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