频谱范围从机械连接器经由变速箱和电气传动技术到基于PC的控制系统。
This spectrum ranges from mechanical connectors via gearboxes and electrical drive technology to PC-based control systems.
以增加错认(或虚惊)概率为代价，可以在很宽频谱范围内分辨微弱的信号。
At the expense of increasing probability of misinformation (false alarm), weak signals in very wide range of frequency spectra may be resolved.
一定频谱范围内的无线电波只能搭载有限的广播频道；同轴电缆只能传 输有限的电视频道。
The radio spectrum can carry only so many stations, and a coaxial cable so many TV channels.
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