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ShellAlbert / Summary2019

record the reading books in 2019
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dB dBm #15

Open ShellAlbert opened 5 years ago

ShellAlbert commented 5 years ago

无标题

ShellAlbert commented 5 years ago

QQ截图20190326111322

ShellAlbert commented 5 years ago

QQ截图20190328164550

ShellAlbert commented 5 years ago

QQ截图20190328164802

ShellAlbert commented 5 years ago

QQ截图20190328164824

ShellAlbert commented 5 years ago

QQ截图20190328164915

ShellAlbert commented 5 years ago

QQ截图20190328165040

ShellAlbert commented 5 years ago

电压 20*log(0.707)=-3dB

ShellAlbert commented 5 years ago

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