Some researchers have tried to use things like changes in electricity consumption as proxies for GDP growth.

一些研究人员曾尝试别的方法，如用耗电量的变化来代表GDP的增长。

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The utility model is driven by electricity, and changes the defects of high time consumption and labor consumption existing in present cotton candy making machines.

本实用新型用电力驱动，改变了现有棉花糖机费时、费力的缺点。

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Changes in electric use by demand-side resources from their normal consumption patterns in response to changes in the price of electricity, or to incentive payments designed to induce lower electricity use at times of high wholesale market prices or when system reliability is jeopardized.

FORBES: America's Smartest Power Grid