Second language acquisition, including dialect acquisition, has different laws from foreign language acquisition.

方言习得包含在第二语言习得里，但与外语习得有着不同的规律。

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Based on the phonological model of the Shanghai dialect, we analyze three aspects of phonological acquisition: distinctive features, phonological units and word tier.

借助上海话的音系模型，我们从三个方面分析了上海话音系习得：区别性特征、音系单位和词层。

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However, little is known about the acquisition of phonology by children learning the Shanghai dialect as their first language.

但是对于儿童以上海话为第一语言的音系习得的研究相对来说却很少。

youdao

However, little is known about the acquisition of phonology by children learning the Shanghai dialect as their first language.

但是对于儿童以上海话为第一语言的音系习得的研究相对来说却很少。

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