名词
中文翻译：主要计算
同义词：
['major calculation', 'primary calculation']
例句：
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1. The main calculation for the project is to reduce costs by 20%.
该项目的主要计算是降低成本20%。
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2. The main calculation was based on the assumption that the population would grow by 3% annually.
主要计算是基于假设人口每年增长3%的假设。
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3. The main calculation of the new policy is to increase efficiency and reduce waste.
新政策的主要内容是提高效率和减少浪费。