To line up columns of text use tables instead of spaces. if you use Spaces your text might not line up when printed.
如果要对齐文字列，应该用表格而不是空格。如果您使用空格，文字在打印时可能会不整齐。
Instead, they use relations among tables to create a one-to-many structure between objects, which has the same effect as an array.
相反，它们使用表之间的关系来创建对象之间的一到多结构，这与数组具有相同的效果。
The cube models for [HistoricSales] and [CurrentMonthSales] use their respective fact views instead of database tables.
[HistoricSales]和[CurrentMonthSales]的数据集模型分别使用各自的事实视图，而不是数据库表。
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