束间间距
distance of adjacent scanning lines
右心室收缩时间间距
systolic time interval of the right ventricle
ECB液晶屏幕
electrically controlled birefringence LCD
LCD背投影屏幕
LCD rear projection screens
LCD点阵式屏幕显示
LCD dot matrix screen area
LED大屏幕显示
LED dot-matrix board display
LED大屏幕显示器
LED large screen display universal offline control card
LED large screen display universal offline control
LED大屏幕显示系统
LED large screen display system