In the course of transmission, the pace of electrons straight correlates to electron wavelength; the more quickly electrons move, the shorter wavelength as well as the greater the standard and element of the graphic.In decal trong ???c ?ng d?ng r?ng rãi trong trang trí và qu?ng bá th??ng hi?u L?u ý khi in decal trongVi?c thi?t k? m?u tem v? b?