According to coupled wave theory, and from the non-linear differential equation describing characteristics of reflection hologram, the reflective coefficient of reflection hologram is analyzed.

根据耦合波理论，从描述反射全息的非线性微分方程出发，对反射全息图的振幅反射系数进行了分析。

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The results show that the reflection coefficient near the wall is about 0. 59, and in the plasma of the first discharge after a gas change, the wall-released isotope amount to 65% .

结果表明，等离子体在壁处的反射系数约为0.59，变换工作气体后，在第一次放电的等离子体中，由壁释放的同位素含量约占65％。

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In case of the loose granular media, the reflection coefficient is simplifyed the result obtained is identical with that obtained by seniors from phenomenon theory.

文中就松散颗粒介质的情况对反射系数进行了简化，得出了前人用唯象理论所获得的结果。

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