So powerful and universal are the tools of economic theory - from supply and demand to game theory - that they can be used to shed light on all sorts of apparently unconnected issues.

从供给，需求到博弈论的经济理论方法甚至能被用于阐述各类明显不相干的问题，这也彰显了经济学的超拔力量和具有普适性。

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Using a simplified model of light interference, we discussed the physical essence of the spatial coherence demand on a photon correlation spectrum measurement system in dynamic light scattering.

利用光干涉的简化模型讨论了动态光散射中光子相关谱测量系统的空间相干性要求的物理本质。

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Hollow glass is mainly used in buildings with demand on heating, air conditioning, preventing noise or dew, as well as the buildings preventing direct sunlight and special light.

中空玻璃主要用于需要采暖、空调、防止噪声或结露以及需要无直射阳光和特殊光的建筑物上。

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In light of such structural changes on the demand-side of the market, the supply side, namely education, is also changing.

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The U.S. auto industry is rocking again, with 14.5 million light vehicles sold in 2012, and carmakers are counting on pent-up demand to give them an even better year in 2013.

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