bucket for general purpose 通用铲斗
general bucket
一般的斗
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The combined results from all of these should be identical as having been executed as a single bucket by a single map function. The general form of the map function is.
合并的结果值就会如同是单个Map函数在单个“桶”上完全一致。
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