The key to automatically sampling for geoscience data base by GIS technique is detailed.
介绍了在已建成的地学空间数据库中应用GIS技术实现自动化采样的关键问题。
Sampling method is suitable for the mining to large data base.
抽样方法比较适合于对大型数据库的挖掘。
We also have calculated the sampling errors of Z_H and Z_(DR) for the radar by using the statistical theory. This work has provided the base for our …
并利用已有的统计理论讨论了该雷达的取样误差，为实际雷达改装工作提供了依据。
We also have calculated the sampling errors of Z_H and Z_(DR) for the radar by using the statistical theory. This work has provided the base for our …
并利用已有的统计理论讨论了该雷达的取样误差，为实际雷达改装工作提供了依据。
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