You see the difference in electronegativity, square it, multiply it by one-quarter and raise that to the power e.

你看到了电负性的差异，开方，乘以四分之一，在移到e上去做指数。

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The class E power amplifier hasn't widely used because of a variety of problems, one of which is the difficulty of adjustment.

高效率E类放大器的提出是功率电子学研究方向的重大突破，但它由于受到各种因素的限制，还未能得到广泛应用。

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This thesis does research on the key module of Q-switch driver—high efficiency Class-E power amplifier, including the design and implement of the prototype.

本文主要研究了声光Q开关驱动器的关键模块——高效率E类功率放大器，设计实现了工程样机。

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The only Confederate power that remained was the army of General Robert E.Lee.

VOA: special.2009.12.03

You see the difference in electronegativity, square it, multiply it by one-quarter and raise that to the power e.

你看到了电负性的差异，开方，乘以四分之一,在移到e上去做指数。

麻省理工公开课 - 固态化学导论课程节选

E to the power of minus one-quarter times the difference in electronegativity squared.

指数是四分之一,把他乘以四分之一，在移到e上去做指数。

麻省理工公开课 - 固态化学导论课程节选

Two, they can substitute grid-based power with self-generated power, i.e. power produced onsite using solar panels, fuel cells or whatever that never flows through the grid.

FORBES: Danger: Grid Operator Threatens Economic Growth, Clean Energy

The remainder of Urenco is owned by the government of the Netherlands, as well as by the German power companies E.

BBC: UK to sell stake in Urenco nuclear fuel firm

That's E3 as in E to the third power.

NPR: Video Games Make a Splash at E3 Show