In the extensive distributed data base system, the data base duplication plays a very key role to the dependability and efficiency of the system.
在大规模的分布式数据库系统中，数据库复制对于系统的可靠性及效率起着非常关键的作用。
Usually, for Mssbauer mirror spectra folding procedure is an effective way to eliminate the geometric effect of the base line, and to raise the data acquisition efficiency.
通常，对穆斯堡尔镜像谱折叠是消除基线几何效应的有效方法，数据获取效率也有所提高。
The architecture of the knowledge base system-KBMS is based on integrating data base and inference techniques. Module functions and some methods of improving system efficiency are presented.
本文介绍了基于推理技术和数据库技术相结合的知识库系统的体系结构，阐述了各模块功能，提出了几种改善系统效率的方法。
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