主监视器 meaning in English

main monitor
master monitors

Gets the default dimensions , in pixels , of a maximized window on the primary display
获取主监视器上最大化窗口的默认尺寸（以像素为单位）。
Property set to 0 , 0 always appears in the upper left corner of the primary monitor , but not behind the taskbar
属性设置为( 0 , 0 )的窗体始终出现在主监视器的左上角，但不在任务栏的后面。
With the pcs - g50 , audio and video displayed on the main monitor can be recorded directly to memory stick media in mpeg - 4 format and can be played back on any pc using quicktime media player . av recording is not supported when aes is active
有了pcs - g50 ，在主监视器上显示的音频和视频能够直接以mpeg - 4格式记录到memory stick中，并且能够在任何使用quicktime媒体播放器的计算机上重播