这里所说的业余,并不是说技术水平比较次(业余水平),而是允许使用的频段是划分为业余频率。其实一些通信上高新技术还是业余爱好者发明的。 随机一言(显示内容与本文关): Last modification:May 4th, 2018 at 12:35 am © 允许规范转载 Support If you think my article is useful to you, please feel free to appreciate ×Close Appreciate the author Sweeping payments Pay by AliPay Pay by WeChat