Readings show the effective voltage depending on the normal worth of samples more than an entire quantity of durations of the elemental frequencyB?n nên s? d?ng ?? so sánh v?i k?t qu? d? ?oán c?a mình ?? t? ?ó tính toán ???c t? l? % v? c?a t?ng b? s?. Vi?c s? d?ng khi ?ang b? t?c vi?c ch?n s? s? ch? giúp b?n trúng s? n?u th?c s? might m?n