英语翻译A quarter wave antenna with drooping quarter wave radials exhibits a nominal 50 ohm impedance,one reason for the existence of 50 ohm coaxial cable.
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英语翻译A quarter wave antenna with drooping quarter wave radials exhibits a nominal 50 ohm impedance,one reason for the existence of 50 ohm coaxial cable.
英语翻译如题,a wave with a 20KHz frequency?
a wave 如题
a quarter怎么翻译
a quarter to
a quarter past
a quarter after
At a quarter past
a quarter past
a quarter to two.
a quarter to
a quarter to five
a quarter to
a quarter past
a quarter to 快
a quarter to six
a quarter to
a quarter to four