Today's grids were built around the assumption of very reliable generation supply sources.

目前的电网是针对非常可靠的发电设备构建的。

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Some nations will seek the change of their energy supply sources to reduce emissions, or for other reasons.

为了减少碳排量，或是出于其他原因，一些国家试图改变他们的能源供应来源。

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Because of the big shortage in supply, there are quotations but no supply sources in the international market.

由于供需缺口大，国际市场上出现只有报价，没有货源的紧俏局面。

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The Gulf of Mexico disaster has changed U.S. priorities, costs and energy supply sources for years to come.

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Asked whether he foresees a supply problem with thin-film transistor (TFT) screens, in light of reports that vendors cannot keep up with demand for the products, Sanchez said that IBM has "ample supply sources" for the screens.

CNN: Notebook prices to flatten, IBM says

Russia will likely mine a significant amount of PGMs from the deposits on the Taimyr Peninsula and the Kola Peninsula during the next decade, specific PGM supply sources from Russia are changing, he said, as the geology changes.

FORBES: USGS: Sources Of PGMs From South Africa, Russia Likely To Change