接收master发送过来的子数组。

Receives the subarray from the master.

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初始化需要处理的数组，然后根据可用的worker数量，把数组分解成若干部分(子数组)。

Initializes the array and splits it up according to the number of available workers.

youdao

它还提供三种访问数组元素的方法：标准索引、创建子数组和切片(slicing)，切片能产生维数更小的数组片段的视图。

It also provides three methods for accessing array elements: standard indexing, creating subarrays, and slicing, which produces a less dimensional view of an array segment.

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