名词
中文翻译：线性估计
同义词：
['linear approximation', 'straight-line estimate']
例句：
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1. Theengineer used a linear estimation method to calculate the project cost.
工程师使用线性估计方法来计算项目成本。
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2. The company's sales forecast is based on a linear estimation of market demand.
公司的销售预测基于对市场需求的线性估计。
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3. The scientist made a linear estimation of the distance between the two points.
科学家对两点之间的距离进行了线性估计。