That energy could be put to work, charging a cellphone, say, or a medical sensor in the body.

能量可以用来做些工作，譬如给手机充电，或者驱动身体里的医疗传感器等等。

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Their low-power Wi-Fi chips can be embedded into any system including consumer electronics, smart energy devices, home and building controls, portable medical sensors, and sensor networks.

它的低功耗Wifi芯片可以嵌入任何系统，包括电子消费品、智能能源设备、家庭和建筑控制仪器，便携式医学传感器和传感器网络等。

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Similar hardware add-ons could transform smart phones into inexpensive sensor devices that could serve many medical and environmental needs.

使用类似的硬件附件还可以把智能手机转变成便宜的传感装置，以服务于许多医疗及环境方面的需要。

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The devices do not include electrical wiring or battery replacements, making it a likely candidate for powering remote sensor networks and medical-sensing technologies.

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There was some headway made using the devices as sensor gateways, mainly in the medical community, which Apple had initially pushed heavily during the launch.

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The cost of sensor technology, a common component of medical devices, has also fallen "exponentially" in recent years, according to Vivek Wadhwa, director of research at Duke University's Center for Entrepreneurship and Research Commercialization.

WSJ: New Medical Devices Get Smart