意义的向心性、思维的条理性和句际的联系性是超句统一体的三个基本属性 ,三者缺一不可。但超句统一体的本质特征是意义、结构和语用的最小统一体 ,它是句法与篇章、句法与修辞、句法学与话语语言学的共同研究对象 ,是这些学科分支的契合点 ,是沟通它们的桥梁性单位 Significance of the concentric sex, rational thinking and interpersonal relationship is super-sentence unity of the three basic attributes, the three are indispensable. However, the essential feature of super-sentence unity is the smallest unity of meaning, structure and pragmatics. It is the common research object of syntax and text, syntactic and rhetorical, syntactic and discourse linguistics, and is the meeting point of these disciplinary branches. Communicate their bridge units