For example, the pre - and post-conditions, inputs, and outputs of the use case define the service dependencies, boundary, and data requirements.

例如，用例的前置及后置条件、输入和输出定义服务依赖关系、边界和数据要求。

youdao

In practical terms, you express the functional requirements in terms of a data structure and pre- as well as post-conditions.

从实践上来看，功能需求是根据数据结构和先决/后决条件来表达的。

youdao

The use case may be supported by a use case description containing key properties, such as pre-conditions, post-conditions, and a flow of events.

用例可以由用例描述来支持，包括关键属性，比如先决条件，和一系列的事件。

youdao

Psychiatrists have long trained the brain's pre-frontal cortex to fight against acute conditions like anxiety, post-traumatic stress and attention-deficit disorder.

WSJ: Mind-Controlled Videogames Become Reality