| 1. | In actual fact , a suitably modified amateur radio transmitter operating in either the 420 to 450 megahertz band or the 1 . 3 gigahertz band , with a highly directional antenna , is capable of transmitting voice to skull signals at less cost than the price of an automobile
事实上,一个适当限制在420到450兆赫波段或1 . 3千兆赫波段的带有高度定向天线的业余无线电广播发射机,能够把声音信号传给头骨并且所花的费用比一辆汽车的价格还要少。 |
