left atria spontaneous echo contrast
left atria spontaneous echo contrast
左心房自发回声对比
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Objective: the purpose of study was to observe the relationship be tween left atria hemorheological property and left atria spontaneous echo contrast (SEC) in rheumatic mitral stenosis.
目的：探讨风湿性二尖瓣狭窄患者左心房内自回声现象(SEC)与左心房血液流变学特点的关系。
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