目的探讨超声造影二次谐波成像技术在肝血管瘤中的应用。

Objective To investigate the application of SonoVuecontrast-enhanced ultrasound and second harmonic imaging in liver hemangioma.

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目的：利用实验性兔肝对二次谐波成像中的剂量-效应关系进行声学定量分析。

Objective: to have an acoustic densitometry (AD) analysis about the relationship between doses and effects in experiment rabbit liver with second harmonic contrast imaging.

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对生物组织进行了超谐波成像，并与基波、二次谐波图像对比。

Superharmonic imaging is made for biological tissues and compared with the results from fundamental and second harmonic imaging.

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