geofence
noun [ C ] uk/ˈdʒiː.əʊ.fens/ us/ˈdʒiː.oʊ.fens/
地理围栏
a virtual limit (= one that does not exist physically) that can be placed around a particular area using satellite technology, in order to record or limit the movements of a person, vehicle, etc.
When an individual crosses a geofence, an alert is sent to their device and the operator of the geofence is notified. 当有人越过地理围栏时，警报会发送到他们的设备上，并同时通知地理围栏的运营商。
- More examples
- Parents can set up a geofence around a neighbourhood and receive an automatic text message if their child, holding the mobile phone, travels outside that area.
- Users can be notified if a vehicle or individual has entered a particular work zone, crossed a geofence boundary, or has arrived at their destination.
- The drivecam has GPS capabilities, permitting parents to set a geofence driving radius or zone.
geofence
verb [ T ] uk/ˈdʒiː.əʊ.fens/ us/ˈdʒiː.oʊ.fens/
进行地理围栏
to use satellite technology to place a virtual limit (= one that does not exist physically) around a particular area in order to record or limit the movements of a person, vehicle, etc.
To geofence an area, you must first establish a virtual boundary around a specified location using GPS-enabled software. 要对一个区域进行地理围栏，你必须首先使用支持GPS的软件在指定地点周围建立一个虚拟边界。
- More examples
- Customized geofenced areas can be set up to provide arrival and departure notifications for delivery vehicles.