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.
在顶盖冲压生产质量统计的基础上，对表面拉毛严重程度进行了半量化的定义评级，并据此进行了钢板材料性能对表面拉毛的影响分析。
Upon on the statistics result of surface quality, the galling levels have been defined, upon which the effect of material mechanical properties on the surface quality has been investigated.
在探讨了药疗差错的定义、药疗差错的判定依据的基础上，本研究尝试建立了运用统计学方法建立预测药疗差错危害度的方法。
On the base of discussing the definition and determination of medication errors, we have established methods of detecting the extent of harm caused by medication through statistical calculation.
在探讨了药疗差错的定义、药疗差错的判定依据的基础上，本研究尝试建立了运用统计学方法建立预测药疗差错危害度的方法。
On the base of discussing the definition and determination of medication errors, we have established methods of detecting the extent of harm caused by medication through statistical calculation.
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