论述了人工智能的原理，包括其含义、研究的基本内容、研究领域及研究途径，然后给出了人工智能系统在超声检测(UT)中的应用示例。
The principles of AI, including its definition, basic study contents, study areas and approaches are interpreted and a basic AI system used in ultrasonic testing (UT) is illustrated.
目的：研究超声诊断冠心病的意义及应用价值。
Objective: To study the significance and application value of ultrasound in the diagnosis of coronary heart disease.
结论超声造影技术在不全流产的诊断及鉴别诊断中具有较大的应用价值。
Conclusion Contrast-enhanced ultrasound technique is of great value in the diagnosis and differentiation of incomplete abortion.
应用推荐