By applying a voltage across the electrodes of a pixel, the polymer can be made to absorb or expel some of the electrolyte and thus expand or contract.

通过把一个像素的正负极输入电压，聚合物就能被加工成一种吸收或排除某些电解液的物质，这样它也就会增大或缩小。

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Buying foreign bonds (and selling Swiss francs) is thus a logical step to expand liquidity.

购买外国债券(同时出售瑞士法郎)作为下一个增加流动性的步骤就顺理成章了。

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It was, thus, decided to embark on an effort to rebuild and expand this area, guided and inspired by some of the key features of the old buildings and infrastructure.

因此决定着手重建并扩张这片区域，发挥这些旧建筑和设施本有的标志性特色。

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Bankers will point out that deregulation has made it possible to expand across state borders and thus avoid having too much risk in one area.

ECONOMIST: America��s banks are not as healthy as they look

And in the long run later retirement and other reforms will expand the labour force and thus potential output, whereas higher taxes dull incentives to work and invest.

ECONOMIST: America's budget deficit

Buying foreign bonds (and selling Swiss francs) is thus a logical step to expand liquidity.

ECONOMIST: The terrible temptation to depreciate