并由此将坐标传递给很多支持位置的Web服务，或者是您自己正在开发的位置感知服务。
From there you can pass the coordinates to a variety of Web services that support location, or perhaps you have your own location aware service that you are developing.
构建位置感知服务涉及多种任务，或大或小，其中一项任务(相对较小)可能要将一种系统坐标转换为另一种系统坐标。
Building a location-aware service involves many tasks, big and small, and one (relatively small) task may be to convert coordinates from one system to another.
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