The sound-amplifying 3M Littmann Electronic Stethoscope 3200 listens to a patient's heartbeat and beams the beats to Cardioscan software.

这款 3M 利特曼电子听诊器3200放大患者的心跳声并传输心跳数据到心扫描软件中。

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The sound-amplifying 3M Littmann Electronic Stethoscope 3200 listens to a patient’s heartbeat—lub-DUB, lub-DUB—and beams the beats to Cardioscan software that detects abnormalities.

这款3M Littmann电子听诊器3200放大患者的心跳声-扑通、扑通——并传输心跳数据到监测心脏异常的心扫描软件中。

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"There's no doubt that hybrid owners end up spending just as much on gasoline as before because the added efficiency allows them to rationalize driving more miles, " says David Littmann, economist at the Mackinac Center for Public Policy.

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