数据中的模式：对于特定的表空间或分区，数据中重复出现的模式的出现频率将决定压缩的效果。
Patterns in the data: the frequency of recurring patterns in the data determines how effective compression will be for a particular table space or partition.
目的：观察定压和定容单肺通气模式对小儿单腔支气管插管下行肺叶切除术时呼吸生理的影响。
Objective: To investigate the effect of two modes of one-lung ventilation(OLV) on lung lobectomy in pediatric patients.
分析了两种模式补给水泵连续补水定压的工作状况与能耗之间的关系。
Analyses the relationship between operating conditions and energy saving in pressurisation by a continuously running make up water pump.
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