名词
中文翻译：激光光学演示仪器
同义词：
['laser display', 'laser projector', 'laser pointer']
例句：
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1.The laser optical demonstration instrument is used to demonstrate the properties of materials.
激光光学演示仪器用于展示材料的性质。
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2. The teacher demonstrated the use of the laser optical demonstration instrument to the students.
老师向学生展示了激光光学演示仪器的使用方法。
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3. The laser optical demonstration instrument was used to illustrate the principles of light and color.
激光光学演示仪器被用来说明光和颜色的原理。