驾驶员视觉增强器采用红外成像和显示技术，帮助驾驶员在昼夜视觉模糊的条件下进行探测和导航。

DVEs, which feature infrared imaging and display technologies, help users detect and navigate in either day or night under obscured visual conditions.

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如果不加治疗，这种病会引起剧烈的疼痛和视觉模糊，也有少数病例出现中风甚至是死亡。

Without treatment, they can become extremely painful, distort vision, and, in rare cases, lead to stroke and death.

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我们模糊的视觉虽无所见。

Though unseen by our vision dim.

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