无线电信号的传输会受到天气影响。

The ___transmissions of radio signals can be affected by weather conditions.

我的车需要更换变速箱了，因为它发出奇怪的噪音。

My car needs a new ___transmission because it's making strange noises.

电视台将在今晚播出特别节目的直播信号。

The TV station will air live ___transmissions of the special program tonight.