SC300摄像头视频数据采集，将pl模拟信号转化为数字信息信号。-SC300 camera video data acquisition, the pl analog signal into digital information signal.

CVR-300脱机身份证核验设备-产品展示-济南票据打印机|济南UPS不...(father was a self-taught mandolin player. He was one of the best string instrument players in our town. He could not read music, but if he heard a tune a few times, he could play i