法人单位基础信息库是我国四大基础数据库之一。
The basic information database of legal entities is one of the four basic information databases in China.
并在此基础上，借助于温度变化与材料缺陷产生之间的关系来进一步建立旋转体故障诊断信息库。
Based on this, information database of fault diagnosis of rotating machinery was further founded by means of the relationship between temperature changes and development of material disfigurement.
最后介绍了基础地理信息库的符号化处理。
Finally, the symbolization of geographic information database is introduced.
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