The short range of the induction-loop antenna in the lens means the external antenna has to be very close to the eye: taped around the eye socket, in fact.

眼镜内感应圈天线短意味着外部天线离眼睛一定很近：实际上就是黏在眼眶周围。

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A mobile phone, souped-up with such an antenna, can talk to a network tower that is dozens of kilometres beyond its normal range (about 5km, or 3 miles).

一部手机，若以这种天线增强过，就可以同广播塔通话，比其正常距离(约五千米，或3英里)远几万米。

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The orbital inclination, orbital altitude, elevation of GPS antenna and orbital eccentricity were researched as the influential factors to doppler range.

研究轨道倾角、轨道高度、GPS天线仰角和轨道偏心率等因素对多普勒频率搜索范围的影响。

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According to an investigation by Canada's Privacy Commission, the hackers likely used a long-range antenna to tap the stores' wi-fi networks.

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The ultra-compact ATSC-Mobile tuner receives mobile TV signals from a miniature antenna for use on-the-go, or a rod antenna, which provides broader range at home or in the office.

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It contains a device that measures such things as temperature, motion and light intensity, and it sports a miniature antenna and a radio with a range of 10 to 50 meters.

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