navigation service的用法和樣例：
例句
- Economic forces are reshaping the provision of airports and air navigation services.
經濟力量正重塑機場與空中導航服務的組織和操作。 - The second is a navigation service with computing technology, and voice processing technology to provide users with a practical road routes, such as car navigation services.
第二種是導航服務，結合運算處理技術以及語音技術，能夠為用戶提供切實可行的行進路線，比如車載導航服務。
