The characteristic dimensions that distinguish the union types include the cost of measuring output, the cost of supervising production and the relativity of production among producers.

区别联合类型特征的维度包括测度产出的成本、监督生产的成本以及生产者之间的产出相关性。

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The following is an example demonstrating how the rewrite phase can enhance certain types of queries against UNION ALL views to achieve better performance.

下面的例子演示了重写阶段如何提高对union ALL视图的某些类型的查询，以取得更好的性能。

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The other types are intersection classes, union classes, complement classes, restrictions, and enumerated classes.

其他方式是交叉类、联合类、补充类、限制类和枚举类。

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To begin with, state-of-the-union speeches are not as important as political types maintain.

ECONOMIST: State of the union

The International Union for Conservation of Nature lists a dozen types of night monkeys on its Red List of threatened species.

NPR: Monkey-Mothering 24-Hour Chore For Colombian Woman

The United States -- along with members of the European Union and the Arab League -- have offered other types of help, though, such as communications equipment and humanitarian aid.

CNN: STORY HIGHLIGHTS