zmjcjky 发表于 2014-6-18 10:09 “得考虑损耗及传输功率: 当传输线的特性阻抗为77欧姆时,有最小的传输损耗 当特性阻抗为30欧姆的时候有 ...
Undo
Redo
Table
Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
点击图片添加到帖子内容中
Archiver|手机版|小黑屋|52RD我爱研发网 ( 沪ICP备2022007804号-2 )
GMT+8, 2024-5-18 03:46 , Processed in 0.041321 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.5
© 2001-2023 Discuz! Team.