This is a videograph a pretty clear one .

这是 视频 照片，一张非常清晰的照片。

Research of a technology of digital image real-time compression on high speed videograph

高速 电视图象数据实时压缩技术的研究

Materials and Methods : thirty nine patients with diseases of testis whose age ranged between 9 and 80 years underwent the ultrasonic examinations in which American ultrasonic videograph with probe of 7 . 5 MHz high frequency was used .

材料和方法：睾丸疾病患者39例，年龄9-81岁。采用美国 超霸 显像 仪，7.5MHz高频探头进行检查。