It can contain any kind of relationship, including subtyping and many-to-many relationships.

它可以包含任何种类的关系，包括图表类型和多到多的关系。

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To map these relationships effectively, we must understand the differences between them, how to implement relationships generally, and how to implement many-to-many relationships specifically.

要有效地映射这些关系，必须理解它们之间的差异、如何实现一般的关系，以及如何实现特定的多对多关系。

youdao

If you have some experience modeling data for relational databases, you know that many-to-many relationships between different relational entities appear all the time.

如果您有关系数据库数据的建模经验，那么您就会知道不同关系实体之间的多对多关系随时会出现。

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Not only because I believe very strongly in what TechStars is doing for the entrepreneurial ecosystem, but also because it has opened so many doors to develop working relationships with many of the startups that come through the network.

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So to start many relationships quickly, our plan was to come up with small, easily granted requests for staffers in the various offices.

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His marketing agent says that she will wait until then to establish many relationships with corporate executives.

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