Instead, the team added body components that double as capacitors, devices that hold an electrical charge until they are tapped.

研究团队增加了体组件，比如双倍的电容器（这是一种能在换极前一直充电的元件）。

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Super capacitors or "electric double layer capacitors" store charge in a layer of ions adsorbed on the surface of carbon.

超电容器或者“双电介质层电容器”通过吸附碳层表面的离子储存电量。

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Seeing my uncle's great happiness at going to Iceland, the captain decided to charge us double the fee to go there, but my uncle was not bothered by such details.

看到叔叔因为要去冰岛而这么高兴，船长决定收取我们双倍的费用，但叔叔根本就没在意这些小事。

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ATMs was forced last month to promise not to double-charge customers for withdrawals, and to inform them in advance of withdrawal fees.

ECONOMIST: British banking

Around Christmas, Supica went public with his explosive, double-barreled charge on the Swedish Serbian-language blog, Koreni.rs.

FORBES: The Great Serbian Charity Dispute

Staples rose 4% despite swinging to a third-quarter loss, largely due to a large impairment charge and double-digit drop in international sales.

FORBES: Cisco And Abercrombie Fail To Turn Market Frown Upside Down