ultrasound pattern的意思|示意

Conclusion Ultrasound has a high value in evaluation of direction and wave pattern of portal vein flow, and has higher accuracy in detection of portal vein patency than ct.

结论超声可以对门静脉的血流方向和流速曲线作出准确评估，对门静脉的通畅性诊断价值优于CT。

Objective to investigate the application of the high-frequency ultrasound in the axial pattern skin flap's preoperative design, and to understand the distribution of vessel in the axial pattern flaps.

目的探讨高频探头超声在轴型皮瓣移植术前设计中的应用价值，了解轴型皮瓣的血供分布情况。

We can consider that ultrasound image consists of lots of speckle pattern.

超声图像即可以看作是由若干散斑模式组成。