A 早期收縮. 1 心房早期收縮(atrial premature complex, APC). 2 心室早期收縮(ventricular premature complex, VPC). B 快速心律. 1 竇性頻脈(sinus tachycardia).

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With Microsoft Virtual PC 2007, you can create and run one or more virtual machines, each with its own operating system, on a single computer. This provides you with the flexibility to use different o...

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