It is interesting to observe that, whereas all display questions are convergent, referential questions may be either convergent or divergent.

我们发现一个有趣的现象，即尽管所有展示型问题都是聚合型问题，但是参考型问题可以使聚合也可以是发散的。

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This implies that we should consider increasing the use of referential (real) questions, and of divergent questions in class.

这可以说明我们在课上，应该多使用参考(真实)型和发散型问题。

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The Relationship Analysis results in a detailed output showing the referential integrity of key identifiers and the consistency (or redundancy) of domains. It should answer the following questions.

关系分析产生一个详细的输出，显示键标识符的引用完整性和域的一致性(或冗余)。

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