Soon Marconi's own spark-gap transmitters are sending Morse-code pulse streams across his lab without wires.
Soon Marconi's own spark-gap transmitters are sending Morse-code pulse streams across his lab without wires.
不久，马可尼自制的火花放电发送机，就能以无线的方式在实验室里传送摩斯电码脉冲流了。