当您发现其他长度的迭代更适合您的环境时，变更迭代长度。

As you recognize that some other length for iterations is more appropriate for your context, change the iteration length.

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建立阵列物件后，就不可再变更其阵序(维度数)、其维度长度或其元素的资料型别。

Once you create an array object, you cannot change its rank (number of dimensions), its dimension lengths, or the data type of its elements.

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您可将阵列变数变更为指向具有不同维度长度的阵列物件，但不可将它变更为指向不同资料型别的阵列物件。

You can change an array variable to point to an array object with different dimension lengths, but you cannot change it to point to an array object of a different data type.

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