With the view in place, constructing the source query is a snap.

视图就绪后，构造数据源查询就是小事一桩。

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These unmodified data source query subjects can then be referenced by other query subjects, calculations, and filters within the model.

这些保持不变的数据源查询对象可被模型中的其他查询对象、计算器、以及过滤器所引用。

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Those types of activities can take place at a higher level of modeling, such as in a Business View of the metadata comprised of model query subjects rather than data source query subjects.

这些类型的活动会出现在更高层的建模中，比如在模型查询对象所组成的元数据Business View中，而不是数据源查询对象。

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