A pair of dissimilar metal wires that generates an electrical force at a point of contact that varies in proportion to temperature.

随着接触点的温度不同，一对不同的金属线产生电力不同。

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Benjamin Franklin's studies on flying a kite in an electrical storm from 1752 show the first time anyone had proposed that lightning is electricity and not a supernatural force.

这其中包括1752年本杰明·富兰克林在雷电中放风筝的相关研究报告，该研究首次证明闪电是电力，而非某种超自然力。

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And Virgil Grissom,of the Air Force, worked on Mercury's electrical systems.

VOA: special.2009.06.10

If you look at the electrical force, the force of electricity, proton and electron or something, it's not proportional to the mass of either object.

如果你考察电作用力,即电现象产生的力,质子啊,电子啊,或者其它什么东西,这种力不和物体的质量成比例

耶鲁公开课 - 基础物理课程节选

You guys know there is the electrical force.

你们都知道电作用力吧

耶鲁公开课 - 基础物理课程节选

They turned an electroactive polymer into an actuator so that the material could change to exert force with an electrical signal, basically creating an exomuscle.

FORBES: Nanotech On The Front Lines

The connective cells, known as fibroblasts, are then isolated and an electrical current is used to force-feed them with the snippets of DNA that make factor VIII.

BBC: Genetics work eases haemophilia

The hogu sensors convert the force of a blow into an electrical signal, which is then sent to a laptop base station.

CNN: High-tech blow for martial arts