名词
中文翻译：首次近似值
同义词：
['first estimate', 'preliminary approximation']
例句：
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1. The engineer made a first approximation of the problem's solution.
工程师对这个问题的解进行了首次近似。
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2. The team leader made a first approximation of the project's budget.
团队负责人对项目的预算进行了首次估算。
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3. The physicist made a first approximation of the force acting on the object.
物理学家对作用在物体上的力进行了首次近似。