dosd: digital on screen display(同屏数字化显示)
dpms(display power management signalling，显示能源管理信号)
dot pitch(点距)
dql(dynamic quadrapole lens，动态四极镜)
dsp(digital signal processing，数字信号处理)
efeal(extended field elliptical aperture lens，可扩展扫描椭圆孔镜头)
frc: frame rate control(帧比率控制)
hvd(high voltage differential，高分差动)
lcd(liquid crystal display，液晶显示屏)
