名词
中文翻译：加权累加器
同义词：
['weighted sum', 'weighted average', 'weighted mean']
例句：
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1. The weighted accumulator is used to calculate the total value of a group of items.
加权累加器用于计算一组物品的总价值。
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2. In this experiment, the weighted accumulator measures the efficiency of the system.
在这个实验中，加权累加器测量了系统的效率。
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3. The weighted accumulator was designed to minimize errors in data analysis.
加权累加器被设计成最小化数据分析中的误差。