这里的无线电接收情况不太好.

Radio reception isn ' t very good here.

工程师经常使用低噪声放大器来增强无线电接收器中的弱信号。

Engineers often use an lna to enhance weak signals in radio receivers.

他说没人会找到我们的，除非那无线电接收器好用了。

He did say that no one was going to find us unless we get that transceiver working.

有时他们的计算机或互联网可能关机下线，或者无线电接收机坏了， 因此就无法提供我们在线陆空通话了。

Sometimes their computer or Internet could be down or radios are broken therefore unable to provide us with a live feed.

该平衡-不平衡变换功能是利用了无线电接收机与天线之间的一个传输线来实现的，它具有最小的横向尺寸和一个预定的长度。

The balun function is performed by using a transmission line of minimum transverse dimensions and a predetermined length between the receiver and the antenna.