三维地震及其叠前深度偏移技术及软件系统的研究、开发和应用取得显著成效。
Remarkable achievements were obtained in the research, development and application of three dimensional seismic exploration and its depth migration before stack technique as well as software system.
使用PVM编程，将串行的三维叠后深度偏移软件，在SP2上实现了并行化，获得了理想的并行效率和可扩展性。
We have realized the parallelization of 3-D post-stack depth migration software on SP2 with PVM, and gained ideal parallel efficiency and scalability.
垂直和水平木板通过偏移创建出三维空间，为物品提供各种不同的高度和深度。
The vertical and horizontal planks are offset to create a three dimensional composition providing a variety of shelf heights and depths.
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