Create subregion if it does not already exist.

如果子区域尚不存在，创建子区域。

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Create the subregion if it does not already exist.

如果子区域不存在，请予以建立。

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In this paper, a new concept of subregion function method is suggested.

本文提出了一个分区函数法的概念。

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In this paper, a new concept of subregion function method is suggested.

本文提出了一个分区函数法的概念。

youdao