优三 meaning in English

yuzo

2 the target of industry restructure in chaoshan is " stabilizing the primary industry , strengthening the secondary industry and optimizing the tertiary industry "
2 、潮汕产业重构的总目标是“稳一、强二、优三” 。
Secondly , in this paper we mainly research and discuss the performance of database application system based on three facets : database designing , query optimization and parameters tuning . analyzing and comparing some kinds of optimization techniques , to conclude and to summarize some practical tuning method , technique and measure to increase the system " s performance
然后，从数据库设计、查询优化和数据库系统参数调优三个方面，对数据库应用系统优化进行研究和讨论，分析和比较了各种优化技术，归纳总结了一些提高系统性能的实用优化方法、技巧和措施。