Readings show the helpful voltage based on the standard value of samples over a whole amount of periods of the fundamental frequency Gi?i m?i (bao g?m t?t c? gi?i nào có s? thay ??i, c?p nh?t m?i ho?c ?i?u ch?nh)Th?ng kê t? ??ng c?p nh?t khi k?t thúc bu?i t??ng thu?t tr?c ti?p k?t qu? x? s?This portion shall govern the client information of th