- Theprocessor'sratedspeedis252MHz.Thefrequencybandfrom6megahertz(MHz)to54megahertz(MHz),whichmaybeusedfortwo-waydatatransmission.Designofhighperformancehtsfilterat183MHzThelowbandinthisexemplaryembodimentisbelow1000MHzandthehighbandisabove1000MHz.New...
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- 问题详情:广东音乐台发*电磁波的频率是96.9MHz,肇庆音乐台发*电磁波的频率是90.9MHz.关于这两种电磁波在空中传播的波速和波长的关系,下列说法中正确的是()A.前者波速较大,波长较长B.前者波速较小,波长较短C.两者波速和波长均相同D.两者波速相同,前者波长较短【回答】D知识点:电磁波...
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