The acoustic signals of speech do not correspond to linguisticunits.
言语声学信号和语言单位间并非一一对应关系；
2
In what aspect the relations between the linguisticunits in sentences are studied?
从那个方面研究句子之间语言单位的关系呢？
3
What the vocabulary constituents have formed inside the vocabulary system are paradigmatic relations, which are built on the common features of linguisticunits.