Some cases of r-suffixation in Chinese involve phonological opacity.

有时这种音系变化还涉及音系不透明性。

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Retroflex suffixation of place names is a very common phenomenon in Beijing.

北京地名的儿化现象十分普遍。

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This paper investigates tone change induced by er-suffixation, showing that tones behave differently with respect to different types of morpho-phonological processes.

本文着重考察晋语诸方言的儿尾变调与儿化变调，分析这两种变调所遵循的不同音系规则。

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