functional requirement的用法和樣例：
例句
- Provide high reliability and compatible design concept according to product functional requirements and manufacture cycle.
依據產品功能要求和生產周期提出可兼容性和高可靠性的設計方案。 - 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.
功能要求中的一個重要方面，是考慮結構與它所隸屬的更大體系之問如何聯繫。
