名词
中文翻译：激光
同义词：
['light beam', 'optics例句：1. The laser scanner is used to create precise 3D models.（激光扫描仪用于创建精确的3D模型。）2. The laser pointer is a useful tool for illustrating complex concepts.（激光笔是演示复杂概念的一种有用的工具。）']
例句：
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1. The laser scanner is used to create precise 3D models.
激光扫描仪用于创建精确的3D模型。
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2. The laser pointer is a useful tool for illustrating complex concepts.
激光笔是演示复杂概念的一种有用的工具。
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3.The laser has been used in many applications, including cutting and welding.
激光在许多应用中被使用，包括切割和焊接。