以下为句子列表：
英文: A beam of laser light “pumps” the atoms so that their spins are polarized, then “probes” the polarized atoms for an MRI signal.
中文: 一束激光将原子泵出，使得它们的自旋带有极性，然后探测拥有极性的原子来产生MRI信号。
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英文: A beam of light (typically ultraviolet light from a mercury arc lamp) shines through the chromium mask, then passes through a lens that focuses the image onto a photosensitive coating of organic polymer (called the photoresist) on the surface of a silicon
中文: 一束光（通常是汞弧灯发出的紫外光）先穿透铬光罩，然后通过透镜把影像聚焦在晶圆表面的有机高分子感光涂料（称为光阻剂）。
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英文: A beam of light produced by a laser can weld metals.
中文: 激光器发生的光束可以焊接金属。
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英文: A big man with grizzled whiskers and gleaming shaven head on which a stay sunbeam was dancing.
中文: 他是个大个子，花白胡子，头剃得晶光瓦亮，偶然有一道阳光在他的头顶上摇晃着。
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英文: 7 MV tandem accelerator, a 200kV ion implanter, and a TEM linked by a beam transport system.
中文: 7MV串列加速器、一台国产200kV离子注入机和一台日立H800型透射电子显微镜组成,并通过联机传输系统实现联机。
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