The following rule is a useful test for intervisibility.

下面介绍一种检验通视的方法.

辞典例句

An echocardiogram is the most useful test for diagnosing MVP.

超声波心动图通常是最为有用的MVP诊断性检查.

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An echocardiogram is the most useful test to diagnose heart failure.

超声波心动图在心力衰竭诊断方面的作用最为显著.

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The most useful test for diagnosing MVP is an echocardiogram with Doppler ultrasound.

有一种检查对MVP诊断最为关键,那就是带有多普勒超声波的超声波心动图检查.

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