Besides efficiency, durability and reliability, the most important requirement for solar cells was how much power they could generate per unit of weight.

它在除了功效、耐久性和可靠度之外，最重要的要求是电池每重量单元能产生多少功率。

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Although virtualization is not a requirement, it provides undisputed capabilities for scalable and power-efficient architectures.

尽管虚拟化不是必需的，但它在提供可伸缩的和功耗合理的架构方面的能力是勿庸置疑的。

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It is pointed out that the power factor requirement for users is too low and should be raised.

文中认为，目前对电力用户功率因数的要求偏低，建议提高。

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The proposal would change what triggers the requirement for older power plants to install new pollution controls.

NPR: EPA Proposal Eases Rules on Pollution Controls

What this says is that the State of Wisconsin can sell or contract out management of state-owned heating, cooling and power plants without the requirement that bids for such a sale or leasing be solicited so as to maximize what the government can pocket through such an arrangement.

FORBES: A Secret Deal Between Gov. Walker And Koch Brothers Buried In State Budget?

The engineering requirement overall for CST, wind-power, new power distribution, electric transportation etc. is phenomenal and unprecedented, and while I marvel at the audacity of the proposal, I doubt very much that it can be done in time, if at all.

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