名词
中文翻译：半减法器
同义词：
['half-subtractor', 'half-subtractor例句：1. The half-subtractor is used to calculate the difference between two numbers.（半减法器用于计算两个数字之间的差。）2. The half-subtractor was invented by a mathematician in the 17th century.（半减法器是由一位数学家在17世纪发明的。）3. The half-subtractor has become an essential tool for many mathematics problems.（半减法器已成为许多数学问题中不可或缺的工具。）']
例句：
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1. The half-subtractor is used to calculate the difference between two numbers.
半减法器用于计算两个数字之间的差。
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2. The half-subtractor was invented by a mathematician in the 17th century.
半减法器是由一位数学家在17世纪发明的。
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3. The half-subtractor has become an essential tool for many mathematics problems.
半减法器已成为许多数学问题中不可或缺的工具。