不是每一個白線格子都是停車格阿~
Low-pass filter - Wikipedia, the free encyclopedia這個位置不是停車格阿老兄,是待轉區... A low-pass filter is a filter that passes low-frequency signals and attenuates (reduces the amplitude of) signals with frequencies higher than the cutoff frequency. The actual amount of attenuation for each frequency varies depending on specific filter de...
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