Your main interest here is creating the relevant mappings from a relation, and then enumerating them as part of a condition.

这里你的主要兴趣是从关联建立相关的映射，然后对它们计数作为条件的一部分。

youdao

According to the properties of partition and merging, the hierarchy relation among condition classification, reduction and core is studied.

在对分类与归并性质充分研究的基础上，探讨了条件分类、约简与核的层次关系。

youdao

One of the particular aspects of the relation presented in Listing 8 is that it makes use of another relation (for instance, CheckOne) as a condition for filtering values.

列表8表现的关联的一个特殊方面是使用了另一个关联(比如，CheckOne)作为过滤值的条件。

youdao

The "professional diligence" test under the CPRs mean that buyers can reasonably expect traders to carry out pre-sale checks in relation to the history, mileage and mechanical condition of the car.

BBC: Q&A: Buying a used car