The CCIE and CCDE are the highest level of achievements for network or design professionals, certifying an individual as an expert.

该CCIE和CCDE是最高水平的成就，网络或设计专业人士，证明个人作为一个专家。

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Objective: To identify the origins and the mechanisms of innocent unknown cardiac murmurs by color-coded Doppler echocardiography (CCDE).

目的：以彩色多普勒超声心动图(CCDE)检查方法研究心前区来源不明，无害杂音的来源及其机制。

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Objective: To identify the origins and the mechanisms of innocent unknown cardiac murmurs by color-coded Doppler echocardiography (CCDE).

目的：以彩色多普勒超声心动图(CCDE)检查方法研究心前区来源不明，无害杂音的来源及其机制。

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