90年代以来 ,由于电子计算机容量和功能的提高 ,数字化技术的引入 ,以及各种信号处理、图像处理和控制技术的应用 ,医学超声成像新技术、新设备、新方法层出不穷。本文就腹部超声诊断中常用的主要新技术的物理声学基础、临床应用现状及发展前景等问题作一简要阐述。1　与提高图 Since the 1990s, new technologies, new equipment and new methods of medical ultrasound imaging have been emerging due to the improvement of the capacity and function of electronic computers, the introduction of digital technology and the application of various signal processing, image processing and control technologies. This article gives a brief exposition of the physical acoustics basis, clinical application status and development prospect of the main new technologies commonly used in the diagnosis of abdominal ultrasonography. 1 and improve the graph