这个类别代表一组依据记录顺序所建立的保留区域。
This class represents a set of reservation areas that are made in a record sequence.
交叉表查询可对值进行汇总，然后按两组依据对它们分组：一组沿侧面排列(行标题)，另一组沿顶端排列(列标题)。
Crosstab queries summarize your values and then group them by two sets of facts - one set down the side (row headings), and the other across the top (column headings).
在soa术语中，业务流程包括依据一组业务规则按照有序序列执行的一系列操作。
In SOA terms, a business process consists of a series of operations which are executed in an ordered sequence according to a set of business rules.
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