functional requirement的用法和样例：
例句
- Provide high reliability and compatible design concept according to product functional requirements and manufacture cycle.
依据产品功能要求和生产周期提出可兼容性和高可靠性的设计方案。 - An essential part of the functional requirement is the consideration of how the structure relates to the larger system of which it is a part.
功能要求中的一个重要方面，是考虑结构与它所隶属的更大体系之问如何联系。
