The load movement rules is the basis of the design of hydraulic system and the optimization of matching the relationship between different hydraulic systems and load.
汽车起重机负载运动规律是设计液压系统以及优化匹配液压系统和负载之间的关系的基础。
Therefore, performance tuning and optimization of database systems , which concern multiple aspects , are very vital to the normal running of the whole system .
因此，基于数据库系统的性能调整与优化对于整个系统的正常运行起着至关重要的作用。
The core and coritivity method of network systems is a new tool for network system structure optimization , which find first the "core part"and, then optimize the networks based on core part.
网络系统的核与核度方法是一种首先抓住系统“核心部分”，然后在“核心部分”的基础上进一步优化网络系统结构的一种新方法。
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