以下为句子列表：
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 focal length only half the diagonal of the film frame, produced with an almost symmetric lens design of surprising compactness, featuring the typical advantages of symmetrical lens designs: distortion is extremely well controlled, and so is color correc
中文: 只有胶片对角线长度一半的焦距、惊人的紧凑和几乎对称的镜头设计，使之具有对称结构镜头的典型优点：控制得极好的变形、色彩矫正和像场平坦度。
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英文: A gravitational lens is formed when light is bent by a massive object.
中文: 引力透镜现象就是光被巨大质量物体弯曲的现象。
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英文: （Studies have demonstrated that pre-lubrication of the ocular surface with a lubricant eye drop before applying a contact lens may increase the comfortable lens wearing time.
中文: 研究表明，在戴隐形眼镜前，先点上润眼液，然后再戴隐形研究。可以增加戴隐形眼镜时舒适度的时间。
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英文: 9% of the sulcus fixated and . %of the capsular fixated eyes had lens haptic PAS(P> 0. 0 ).
中文: 睫状沟固定者中．9％有襻性PAS，囊袋内固定者襻性PAS占． ％（P＞0．0）。
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