The problem of the seismic wave travel path in the nonhomogeneous medium is often mentioned in seismic sequence analysis by means of rapid ray tracing.
在地震层析研究中，常常涉及地震波在非均匀介质中的传播路径问题，故快速射线追踪是不可缺少的工具。
In particular, we use generalized Green's function to prove that the high-order nonhomogeneous boundary value problem has a solution when the associated homogeneous problem has a nontrivial solution.
特别是利用广义格林函数证明了高阶齐次方程存在非平凡解的情况下对应的高阶非齐次边值问题存在一解的充要条件。
In particular, we use generalized Green's function to prove that the high-order nonhomogeneous boundary value problem has a solution when the associated homogeneous problem has a nontrivial solution.
特别是利用广义格林函数证明了高阶齐次方程存在非平凡解的情况下对应的高阶非齐次边值问题存在一解的充要条件。
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