W3C草案所提出的GeolocationAPI是个访问位置信息（如经纬度）的高层接口，该接口与实现设备紧密相关。
The Geolocation API, as proposed in the W3C draft, is a high-level interface to location information, such as latitude and longitude, associated with the device hosting the implementation.
最后，你必须接受相关的服务条款，然后允许FaceBook的应用访问你的地理位置信息。
Finally, you have to accept the terms of service and give the Facebook app access to your location.
最后，你必须接受相关的服务条款，然后允许FaceBook的应用访问你的地理位置信息。
Finally, you have to accept the terms of service and give the Facebook app access to your location.
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