H?i ??ng x? s? ki?n thi?t mi?n B?c bao g?m 28 ??n v? thành viên, trong ?ó có six ??n v? t? ch?c quay s? chính th?c và c? ??nh hàng tu?n c? th? nh? sau:You can either plot the minimum amount and greatest peak measurement values or record the waveform trace. And, with expandable microSD memory, recording classes can be done for up to 14 days.