There have been calls for mandatory geo-fencing software, which would stop these incursions automatically, and for the rules to be applied more stringently.

已经有人呼吁开发强制性的区域限定软件，以自动阻止这些侵入行为，也可使得相关规定能得到严格执行。

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Nervous parents will like the system's geo-fencing feature that reports when the car has gone beyond a specified perimeter.

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The geo-fencing can also work in multiple locations for remote conferences.

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Apple has not issued any public statement about the file, but Warden and Allan suspect it is part of the geo-fencing capabilities that the company has talked about for the iPhone.

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