Results:In basal conditions, the displacement was progressively decreased from cardiac base to apex on each view of long axis.

结果：基础状态下，各长轴切面显示位由心底向心尖逐渐递减。

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Scanning plane included short axis view, four-chamber view, and long axis view.

扫描平面有短轴面、四腔面和长轴面。

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Scanning plane included short axis view, four-chamber view, and long axis view.

扫描平面有短轴面、四腔面和长轴面。

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