基本大类
基本大类-
通过已有的三维地震数据的退化性处理试验分析，提出了三维地震采集设计中最基本的5大类地球物理目标参数，以及在三维观测系统优化设计中3个起决定性作用的地球物理目标参数。
Adoption of existing 3D seismic data degenerative processing test analysis , presented three-dimensional seismic data acquisition design of the five basic categories of geophysical parameters goals , and in three-dimensional geometry optimization designs three decisive geophysical target parameters .
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人造土壤的基本原料有三大类。
The essential materials of artificial soil can be divided into three types .