The leaves are of a fixed size to allow simple calculation of element position, which is an added indirect.

这些叶子具有固定的大小，允许对元素的位置进行简单的计算，这是一个附加的迂回。

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OMG IDL has multidimensional, fixed-size arrays of arbitrary element type.

OMG IDL有任意元素类型的多维固定大小的数组。

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A hash index is often implemented using an array where each element in the array is a hash bucket with a fixed size, as is depicted in Figure 1.

hash索引常常使用一个数组来实现，数组中的每个元素是一个有固定大小的hash bucket，如图1所示。

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