名词
中文翻译：Unknown
同义词：
['reduction', 'decrease', 'diminish', 'lessen', 'abate']
例句：
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3.
在数学中
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1. The government has made significant deltations to the tax rates.
政府已经对税率做出了重大调整。
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2. He tried to deltation his mistakes before presenting his report.
他在提交报告之前试图减少他的失误。
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3. The company's profits have deltated significantly since its merger.
自从公司合并以来，其利润显著减少。