By using the perturbed-energy method, the exponential decay of the solution is obtained for the nonlinear wave equations with time-dependent coefficients and dissipative boundary condition.
利用能量法证明了具耗散边界条件和时间依赖系数的非线性波方程的能量指数衰减性。
These relations are strongly dependent upon the boundary condition and the situations of source and receiver.
这些关系强烈地依赖于边界条件以及声源和接收点是否位于界面上这一情况。
The condition presented here is not only dependent on the mechanical properties of the material, out also on the loading boundary condition and deformation.
这个条件不仅与材料的力学性能有关，而且还处决于材料的具体的载荷边界条件和变形。
The time-dependent ion transport equations were numerically solved along fixed magnetic flux tubes. The lower boundary (100km) condition is set to chemical equilibrium.
模型的地理轴和地磁轴是分开的，离子的输运方程沿固定的磁流管求解。
The time-dependent ion transport equations were numerically solved along fixed magnetic flux tubes. The lower boundary (100km) condition is set to chemical equilibrium.
模型的地理轴和地磁轴是分开的，离子的输运方程沿固定的磁流管求解。
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