In the course of transmission, the speed of electrons directly correlates to electron wavelength; the a lot quicker electrons go, the shorter wavelength as well as the increased the quality and element on the picture.Vi?c l?a ch?n lo?i decal ?? in tem dán r?t quan tr?ng. ??i v?i các dòng s?n ph?m ???c b?o qu?n trong môi tr??ng nh? t? l?nh, hay