3ce三色眼影好用吗:计算机网络高手帮我翻译一下

来源:百度文库 编辑:神马品牌网 时间:2024/04/29 20:11:56
There are ten 4000 Hz signals. We need nine guard bands to avoid any interference. The minimum bandwidth required is 4000×10400×9 =43,600 Hz.
特别说一下那个公式是怎么回事??