...in the accompaniment of songs in this article to explain...
aso that this delay can be represented by a phase shift of the signal 因此这延迟可以由信号的相移代表[translate] a嗨,我的名字叫penny。今天,我起床得非常早,太阳光照在我的脸上,我感到非常温暖。 Hi, my name is called penny.Today, I get out of bed extremely early, the solar illumination on ...