It is verified that the wave action conserves only if the basic zonal currents are steady and a W-Ely oriented mountain barrier with unbounded extent exists.
当基本流场定常且存在无限长的东西向山脉时，则有波作用量守恒。
2
Wave motion response of tunnel lining embedded in unbounded nonuniform soil medium is studied.
研究了不均匀岩土介质中隧洞衬砌的波动响应。
3
Locally explicit time-domain radiation boundary condition for 2-d and 3-d transient analyses of wave propagation in unbounded media were developed for the cylindrical and spherical wave equations.