Well, that's a beat of basically a duple meter with a triple subdivision, but we're not getting into triple subdivisions here.

这就是个典型的二拍子,伴随一个三拍子的进一步划分,但我们这里不讨论三拍子的进一步划分

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So there are three main geographical subdivisions.

有三种主要的地理形态分类。

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