从理论上讲，既然尘粒子吸收辐射，那么，越是污染严重的城市，认为因素造成的气温上升就越大。

Since dust particles can absorb radiation, the theory goes, the more polluted the city, the higher the temperature is artificially raised.

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光线的发射处越远，年龄越大，类星体的光谱会缺失，因为某些波长的光线会被中性氦及氦离子或带电粒子吸收。

Light emitted from farther away, and thus older, quasars lacked this wavelength, because the light was getting absorbed by neutral helium as well as helium with a single ion-or charged particle.

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TEMs 的工作原理是通过发射一束电子穿过某种物质，并测量它如何吸收和偏转粒子来建立样本的图像。

TEMs work by firing a beam of electrons through the material and measuring how it absorbs and deflects the particles to build up an image of the sample.

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One individual particle is being absorbed by the metal and exciting an electron.

一个单个的粒子被金属吸收,同时激发出一个电子。

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