名词
中文翻译：三级激光器
同义词：
['three-level laser']
例句：
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1.The three-level maser is used for cutting metals.
三级激光器用于切割金属。
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2.The three-level maser has been developed to improve precision in manufacturing.
三级激光器已被开发来提高制造业的精度。
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3.The three-level maser technology is a key component of modern laser systems.
三级激光器技术是现代激光系统的关键组成部分。