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。

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

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因此本实验不支持双方言习得者的英语语音能力高于单方言的假说。

Therefore, this research did not support the hypothesis that Chinese bidialect speakers who profit from their second Chinese dialect are superior in English pronunciation.

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