The entire system is composed of computer, PC bus interface card, decode instrument, video switches matrix, audio switches matrix, pan, lens and alarm control etc.
整个系统由微机、PC总线适配卡、解码器、视频切换矩阵、音频切换矩阵、云台镜头和报警控制等部分组成。
This kind of video is mostly based on read-write of memory card If one needs to watch live programs, a video interface is required at the handheld terminal.
而这种视频多基于存储卡的读写实现的，如果要观看直播节目，就必需要求在手持终端上具有视频的接口。
When you use a video card-supported cursor, the Graphics Device Interface (GDI) gives the video card a bitmap and a mask and says, "OK, this is the mouse cursor."
使用视频卡支持游标时，图形设备接口(GDI)将使视频卡，一个位图和掩码，并指出，确定“，这是将鼠标光标。”
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