联机分析挖掘系统是由事务驱动的，事务的优化能提高系统性能。
On Line Analytical Mining system is driven by transaction, so the optimization of transaction can improve system performance.
接着主要讨论了USB系统的特点及事务处理格式、实现构架驱动程序设计并且成功加载到系统，达到了MIS对USB接口使用的要求。
The feature of USB system, transaction processing format and the driver program successfully installed in system is discussed in the paper after that, USB interface can be used in MIS.
接着主要讨论了USB系统的特点及事务处理格式、实现构架驱动程序设计并且成功加载到系统，达到了MIS对USB接口使用的要求。
The feature of USB system, transaction processing format and the driver program successfully installed in system is discussed in the paper after that, USB interface can be used in MIS.
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