n.减速器，缩减者，减压器，还原剂

The reducer function in our program is responsible for aggregating the data.
我们程序中的归约函数负责聚合数据。
In the MapReduce paradigm, the reducer receives data from multiple mappers.
在MapReduce范式中，归约器从多个映射器接收数据。
We designed a reducer to condense the large dataset into a manageable format.
我们设计了一个归约器来将大型数据集压缩成可管理的格式。
The reducer algorithm calculates the sum of all numbers in the array.
归约算法计算数组中所有数字的总和。
The reducer operation in this case is to find the maximum value among a list of numbers.
在这种情况下，归约操作是在一系列数字中找到最大值。
The reducer component in the stream processing system reduces each group of records to a single output record.
流处理系统中的归约组件将每组记录减少到一个输出记录。
Implementing a reducer allowed us to efficiently compute the word frequencies in a text corpus.
实现归约器使我们能够有效地计算文本语料库中的词频。
The database query uses a reducer function to count the number of unique users in the dataset.
数据库查询使用归约函数来统计数据集中唯一用户数量。
The reducer in our machine learning pipeline combines the feature vectors for each sample into a single representation.
我们的机器学习流水线中的归约器将每个样本的特征向量合并为单一表示。
By applying a reducer on the sales data by region, we can easily calculate the total revenue for each area.
通过对各地区的销售数据应用归约器，我们可以轻松地计算出每个区域的总收入。