However, the schema for topology model does not enforce any strict association between unit and requirement types.

然而，拓扑模型方案并不强制单元与需求之间有任何严格的关联。

It also provides a means to enforce compliance of the source requirement against the target capability.

它还提供了一种强制遵从源需求而反对目标性能的方法。

If you look at the whole iteration, you should see more: you captured an important requirement and wrote a test case to enforce that requirement.

如果查看整个迭代，将看到更多内容：您捕获了一个重要需求并编写测试用例实现需求。

The outgoing routes for the Case Setup step are marked as "all true conditions" to enforce the requirement that the engineering lead and research lead work in parallel.

Case Setup 步骤的传出路径（outgoing route）被标记为 “all true conditions”，以便满足以下要求：工程主管和研究主管必须同时工作。

To meet this requirement, the best way is to make and enforce substantive contract law of EU.

顺应这一要求，最好的办法是颁布有关欧盟保险合同的实体法。

Provided that nothing in this section shall derogate from any powers which the director may have under this ordinance to enforce compliance with such requirement or direction in any other manner.

但本条不减损路政署署长根据本条例以使该等规定或指示获得遵从而以任何其它方式强制执行的权力。

Delete a foreign key constraint when you want to remove the requirement to enforce referential integrity.

如果想要移除对强制引用完整性的要求，则可删除外键约束。