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。
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。
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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