aggregations

英 [ˌægrɪˈgeɪʃ(ə)nz]

美

n.  聚集，集合，聚集体；集合体；聚合作用；凝聚；聚集作用; 总量
aggregation的复数

化学

双语例句

• You can apply multiple aggregations.
  可以应用多个聚合。
• Numerical aggregations can be computed in a rule by using one of the following functions
  可利用以下函数之一，来在一个规则中计算大量聚合
• Size of current aggregations in memory. This count is an estimate.
  内存中的当前聚合的大小。此计数为估计值。
• A pattern of overlapping aggregations is usually found.
  通常可发现一种叠聚集现象。
• If a measure has more than one aggregation function in its list of aggregations, then the measure is an asymmetric measure.
  如果一个度量在它的聚合列表中有多个聚合函数，那么这个度量就是非对称的度量。
• Almost any data consolidation scenario with tasks ( such as joins, merges, filtering, and aggregations) that can reduce input data early in the data flow can benefit from T-ETL processing.
  凡是具有能在数据流早期减少输入数据的作业（例如连接、合并、过滤和聚合）的数据整合场景，几乎都能从T-ETL处理中受益。
• But, if you need to perform data analysis queries with grouping and aggregations, you may prefer SQL/ XML.
  但若您需要执行带有分组和聚集的数据分析查询，那么SQL/XML是更好的选择。
• If more than one column is aggregated using the same grouping key or without a grouping key, then all the aggregations are computed within the same operation with a single pass over the data.
  如果利用相同的分组关键字或者没有分组关键字，来聚合多个列，那么，所有的聚合都在单个数据传递中的相同操作中进行。
• Scientists assume that these protein aggregations are toxic for nerve cells.
  科学家们推定这些蛋白聚集物对神经细胞是有毒性的。
• If a rule must contain one aggregation, then you can compute additional aggregations on different columns in the same rule without impacting performance, as long as the grouping keys are the same.
  如果规则必须包含一个聚合，那么可以在同一规则中，对不同列计算附加聚合，只要分组关键字相同，就不会影响性能。