But on the Humber Bridge they ran into a radio problem, as direct and reflected signals interfered with each other.
但在亨伯桥上，他们遇到一个无线电问题，就是直接信号和反射信号互相干扰。
2
Engineers monitoring the bridge would just need to scan them with radio waves to see which wavelength they responded to, in order to find out what was going on.
工程师监测桥梁只需用无线电波扫描天线，来观察他们的反馈波形，就可以得出桥的安全状况。
3
If lots of flexible antennas attached to small radio sets were placed inside a bridge, they would expand or contract along with the bridge and so would constantly retune themselves.