Methods: the ultrasonicinstrument was adopted to conduct the planar ultrasonic and Doppler ultrasonic diagnosis analysis on 30 RAML patients in our hospital.
方法：对我院30例RAML患者采用超声诊断仪进行二维超声和多普勒超声诊断分析。
2
An ultrasonicinstrument for industrial field application is presented. Its fast automatic signal analysis function can decrease the requirements for operation circumstances.
介绍一种便于工业现场使用的超声波检验仪，其快速自动信号分析功能可以降低对操作环境的要求。
3
Some shop is very popular with ultrasonic washing table, but because this instrument needs cleaning to shock the way watch, extremely easy to cause the loose parts inside the watch.