Many DB2 experts claim that building the right indexes for a table space may be the single most effective means for optimizing the performance of applications accessing that DB2 data.
很多DB 2专家声称，只有为表空间建立恰当的索引，才是使得访问该表空间中DB 2数据的应用程序的性能达到最佳、最有效的效果。
How to satisfy the increasing demand of the existing passenger transportation and optimizing the city's space construction are the problems for paying attention to by the big city.
如何满足这种日益增长的城市交通需求和优化城市空间结构是我国各大城市所关注的问题。
To use space mapping algorithm optimizing the position of the antenna, it can highly enhance the operation efficiency.
运用空间映射算法优化天线阵的位置参量，可以大大提高运算速率，节省时间。
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