Note that you can specify functional software requirements in one of two formats: declarative and use case.

注意你可以用两种格式之一指定功能性软件需求：声明形式和用例形式。

youdao

As we saw earlier, requirement types might include business needs, features, and functional and non-functional software requirements.

正如我们前面看到的，需求类型可能包括业务需要、特性以及功能性和非功能性的软件需求。

youdao

PB and ORACLE database were also utilized for the design of functional software and the database.

采用PB语言和Oracle数据库，实现了系统功能的软件设计和数据库设计。

youdao

The challenge is further complicated by the perception of Windows as functional software for PCs.

BBC: Nokia's bet on Windows Phone 8: Expert opinions

In Phase II, teams are expected to complete and demonstrate a functional software configuration as a proof of concept.

ENGADGET: DARPA Innovation House project wants teams to take imaging data, see the big picture

Designed in a garage in California (no, really), Botiful is already functional, with working software as well.

ENGADGET: Insert Coin: Botiful telepresence robot for Android (video)