至于如何判定老化模式的依据又有统计上的定义(Statistical Definition)及机能上的定义(Functional Definition)两套标准,因不同研究者所采用之分类标准,结果便有出入。
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扩展的统计信息是使用采样在MQT定义中引用的对象上收集得到的。
Extended statistics are collected on objects referenced in the MQT definition using sampling.
同时在此基础上完成了基于商用数据库的用户自定义的数据统计模块和用户可定制的报表生成工具,方便了用户对系统数据的分析。
Based on the mechanism, a user defined statistics module and a user designable report create tool are completed, which make it easy to analyze the data for the user.
对森林资源管理系统加以理论上的抽象和概括,并定义了典范式的森林资源统计表矩阵。
The forest resources management system was analyzed in theory with abstract and general sentences, and a definition was made for typical statistics matrix of forest resources.
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