该示例使用一个规则引擎来处理恶劣天气预警和生成通知，以及根据这些警报作出指示。
This example uses a rule engine to handle severe weather alerts and to generate notifications and directives based on these alerts.
特高频带的带宽为428千赫，这意味着单个部分能够承载一个简单视频图片，光盘效果的视频以及新闻快报、天气预报和紧急通知。
Its bandwidth of 428 kilohertz means a single segment can carry a bare-bones video picture, compact disc-quality audio, and text for news flashes, weather details and emergency announcements.
客户登入网站后可以获取以下信息，如他们目的地的天气预报、从家里到机场的方向指引以及沿途路况通知。
Customers log in to the site to access information such as the weather forecast in their destination, directions to the airport from home and notifications of road-works en-route.
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