根据主室腔的解剖特征，每类又分为左室和右室两型。

Each group could again be divided into left and right ventricular type by the anatomical feature of the primary chamber.

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根据主室腔的解剖特征，每类又分为左室和右室两型。

According to the morphological characters of primary chamber, each group could be also divided into left and right ventricular type.

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组织谐波成像技术能增强左室腔显影亮度获得更好的显影图像。

Conclusions:Tissue harmonic imaging by left side perflurocarbon contrast echocardiography can enhance left side heart chamber opacification brightness and obtain higher quality image.

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