所谓银幕尺寸,指的是显示图像画面高与宽的比率。通常它包括电视屏幕和电影银幕两类。对于电视屏幕的尺寸而言,目前有两种:一种是大家熟知的所谓4:3电视屏幕,其高为1,宽为1.33,比率为1:1.33另一种是所谓的16:9宽屏幕电视,其高为1,宽为1.78,比率为1:1.78。对于电影银幕的尺寸而言,主要有三种一种是普通电影银幕,其高为1,宽为1.66,比率为1:1.66; The so-called screen size, refers to the display image screen height and width ratio. Usually it includes two types of TV screen and movie screen. There are currently two types of television screen sizes: one is the well-known so-called 4: 3 TV screen with a height of 1, a width of 1.33, a ratio of 1: 1.33 and a so-called 16: 9 The screen TV, which is 1 in height and 1.78 in width, has a ratio of 1: 1.78. For the size of the movie screen, there are three main ones: normal movie screens with a height of 1, a width of 1.66, and a ratio of 1: 1.66;