文中论述了山西省地震局前兆数据库系统的组成、数据库建立的原则和具体过程及数据的入库等。

System structure, principle and concrete process in construction of the Precursor Database System of Earthquake Administration of Shanxi Province as well as storage of data are introduced.

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经过验算，单台测定震级与山西省地震局台网测定震级的偏差缩小，对提高这2个台震级的精度有一定效果。

Through the check, the deviation between the magnitude by the single station and by the network of Shanxi province decreased, thus improving the accuracy of magnitude determinated by the 2 stations.

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