The study on the Mandarin segmental structure and the syllable structure is central in the thesis.

对普通话的音段结构和音节结构的研究是本文讨论的中心。

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Besides, this pump takes a vertical and segmental structure, and the advantages of security, stability, long life, small occupation space, easy installation and maintenance.

另外，本系列泵在结构上采用了立式、分段形式，且运转安全、平稳、寿命长、占地面积小，安装维修方便。

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Based on these considerations, to begin with, a systematic assumption made concerning the underlying representation of the vowel inventory and segmental structure of the retroflex suffix is given.

基于上述考虑，论文首先对普通话元音系统和儿化后缀的音段结构进行了分析，提出底层元音系统有六个单元音的假设。

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