amateur radio band 中文意思是什麼
amateur radio band
解釋
業余無線電頻段-
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
事實上,一個適當限制在420到450兆赫波段或1 . 3千兆赫波段的帶有高度定向天線的業余無線電廣播發射機,能夠把聲音信號傳給頭骨並且所花的費用比一輛汽車的價格還要少。
分享友人