本文旨在揭示学术论文摘要中时态所表达的人际功能。本文采用系统功能语言学的人际功能和评价理论为理论框架,对分属软、硬学科的80篇摘要的时态运用情况进行统计分析,剖析两者在时态运用方面存在的异同,并尝试加以解释,进而指出:时态不但表达概念功能,而且表达人际功能;此外,其所表达的人际功能因学科而异。 The purpose of this article is to reveal the interpersonal function expressed by the tense in the abstracts of academic papers. Based on the interpersonal function and evaluation theory of Systemic-Functional Linguistics, this dissertation makes a statistical analysis on the temporal utilization of 80 abstracts in soft and hard subjects, and analyzes the similarities and differences between the two in their temporal application. And then points out that tense not only expresses the concept of function, but also expresses the interpersonal function; in addition, the interpersonal function it expresses varies from subject to division.