1.Conclusion:NTHI is a new technology in ultrasound diagnosis which can enhance tissue resolution,improving sonograph quality by reducing artifact and cultter,thereby it is useful to increase ultraso...

1.自然组织谐波技术是一超声诊断技术,它可提高组织分辨能,干扰及伪像,改善图像质量,从而提高诊断水平。