“讯号”造句

在森林中, 潮湿的树木与针叶会使讯号变弱.
In a forest, wet wood and needles attenuate the signals.

收音机里嘟嘟地发出五点钟报时讯号.
The radio squeaked five.

其他的比例反馈讯号是由速率陀螺产生的.
Other proportional feedback signals are generated from rate gyros.

• #讯号