Through transmission, the speed of electrons specifically correlates to electron wavelength; the more rapidly electrons go, the shorter wavelength as well as the higher the quality and detail of your image.C?u t?o c?a chúng bao g?m two ph?n riêng bi?t ph?n decal và ph?n d?. M?i ph?n l?i ???c chia ra làm 2 l?p: Ph?n decal có l?p m?t decal và l