文中同时讨论了一种射线的方法，用于解决给定了海面、海底反射系数、介质声吸收系数的海洋环境下的问题。
Also, we discuss a ray treatment method which is used for the model given surface and bottom power reflection coefficients and volume absorption.
文末对高声频情况下的海底上的声反射系数进行了简化。
In the case of high frequencies, the sound reflection coefficient at sedimentary layer surface is simplified.
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