Throughout transmission, the velocity of electrons immediately correlates to electron wavelength; the more quickly electrons shift, the shorter wavelength as well as the greater the quality and element with the picture.Không b? ?nh h??ng b?i các tác ??ng c?a môi tr??ng, b?t k? ?i?u ki?n th?i ti?t có ?? ?m cao, l?nh hay nhi?t ?? caoIn tem b?c ?