名词
中文翻译：单次减量器
同义词：
['subtractor', 'single-order subtractor例句：1. The engineer used a single-order subtracter to calculate the difference between two numbers.（工程师使用单次减量器来计算两个数字之间的差。）']
例句：
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1. The engineer used a single-order subtracter to calculate the difference between two numbers.
工程师使用单次减量器来计算两个数字之间的差。
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2.The single-order subtracter was used to adjust the balance of the scale.
单次减量器被用来调整秤的平衡。
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3. The single-order subtracter was used to measure the amount of sugar in the jar.
单次减量器被用来测量罐子里糖的量。