thd
abbr.
threaded 有线状图案装饰的;
带螺纹的;
thunderhead （雷暴常见的）雷暴云砧;
total harmonic distortion 总谐波失真;
例句:
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These ICEPower amps will put out a rated .09% THD at 250 watts.
来自ENGADGET
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The total harmonic distortion ( THD ) is written as the following expression.
总谐波失真 ( THD ) 是书面下列表达.
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It affects the SNR signal - to - noise ratio and the THD ( total harmonic distortion ) of a conversion.
它影响转换的SNR( 信噪比)和THD ( 总谐波失真 ).
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Ask the boy lend a hand with moving thd piano.
让这男孩帮忙搬一下这架钢琴.
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Vonis yg tegas dan ketat thd pelaku suap sehingga menimbulkan efek jera dan prepentf bg penyuap maupun yg disuap.
来自BBC