The another one is that with the development of CATV,to supply the TV users with useful interface and to realization man-machine conversation,it is important to add screen display information on video information,this unit is named as on screen display.
另一个问题是，随着有线电视网的普及，为提供给电视用户良好的界面和提供更灵活的人机交互，有必要在视频图像中加入屏幕显示信息(如亮度、色度、频道选择信息等)，称为屏幕显示单元。
参考来源 - 视频后处理及字幕解码器的研究与设计·2,447,543篇论文数据，部分数据来源于NoteExpress
The system has a nicer man-machine conversation interface, facilitating the manipulator's control.
控制系统具有良好的人机交互界面，便于操作。
Adopt large lattice LCD screen intelligentized controlling system, also has good English Chinese language man-machine conversation interface.
采用大屏点阵液晶显示及智能化控制系统。并且有良好的中英文人机对话界面。
Practice shows that this method effectively resolves the problems of deficiency in graphic display and man-machine conversation in embedded system.
实践表明，该方法有效解决了嵌入式系统中图形显示能力不足、人机交互差的问题。
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