在频率-波数域中，详细地推导出了对地震记录进行三维偏移归位的全部计算公式，并给出了能在中小型计算机上实施的程序结构和流程。
Formulas for 3d migration of seismic data in frequency-wave number domain are derived. The software and procedure used on medium -sized computer and minicomputer are given.
介绍了中小型企业资源计划管理计算机信息管理系统集成方案的各种模块和功能。
This article introduces various modules and functions of the project which is about the computer MIS integration of medium & small enterprise ERP management.
该系统可在IBM及其兼容系列个人计算机上使用，适合用于个人或科研与教学机构中小型标本采集信息管理；
It was designed for use on IBM compitable personal computer, and is suitable for both small personal collections and larger collections of institutions.
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