Trong môi tr??ng kinh t? hi?n nay, ??u t? ?ã tr? thành khái ni?m không m?y xa l? v?i h?u h?t m?i ng??i. ?? ??c gi? có th? ti?p c?n nh?ng xu h??ng ??u t? m?i nh?t, Tri th?c - ZnewsYou could either plot the minimal and optimum peak measurement values or record the waveform trace. And, with expandable microSD memory, recording periods can be car