Medical ultrasonic imaging technique has been widely used clinically. Unfortunately, the resolution of ultrasonic imaging is much lower than that of X-CT.

超声医学成象技术已获得普遍应用，但与X - CT等现代医学影象技术相比，超声成象目前的主要问题是分辨率较低。

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Also, the system composing of phased array ultrasonic imaging and its key technique are given, which set base for underwater ultrasonic imaging in theory.

还提出了相控阵超声成像的系统构成以及其中应用的关键技术指标，为水下超声成像的研究奠定了理论基础。

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AIM To observe the evaluation value of ultrasonic imaging and indirect immunofluorescence technique in the treatment of ischemic cardiomyopathy with marrow stroma cells MSCs transplantation.

目的：观察超声成像及间接免疫荧光技术在骨髓基质细胞移植治疗缺血心肌病方面的评估价值。

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