名词
中文翻译：数学设备
同义词：
['calculator', 'computer', 'calculators', 'computer system']
例句：
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1. The mathteacher used a calculator to solve the problem for the students.
数学老师用计算器为学生们解决了这个问题。
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2. The computer system is designed to improve efficiency in data processing.
计算机系统旨在提高数据处理的效率。
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3. The calculators are available in various sizes and prices.
计算器有多种尺寸和价格可供选择。