研究以Martin等人的语言评价理论为框架，在对3 5篇原创英文科技学术论文语料观察与分析的基础上，探讨“鉴赏”系统在科技语篇中的语义评价机制及其表意方式。研究阐释了“鉴赏”各子系统在科学语境中的评价内涵，系统分析了它们实现评价的运作特点。结果显示鉴赏性评价聚焦于科技产品的“品质”和“价值”，两者与其他“鉴赏”资源一样有在科技语篇“引言”和“结论”部分相对密集的分布倾向。语义评价主要围绕词汇系统来揭示或引唤针对科技实体及其价值的各种鉴赏意识，且表述形式丰富多样。
Abstract
Based on the Martins’ appraisal framework and corpus analysis on 35 academic research papers, the present study explores the evaluative mechanisms of APPRECIATION systems as well as their semantic manifestations in the scientific discourse. The discussion clarifies the attitudinal information conveyed in each component system and illustrates their unique features in the realization of evaluation. The study reveals that the APPRECIATION is generally construed in terms of the QUALITY and VALUATION associating with the products of science, and as the other component systems，they display the same concentrations in the Introduction and Conclusion of scientific texts. The appraisal is usually inscribed or evoked through the lexical selections in relation to formulations highlighted or valued in the context of scientific research, with some variations in style and pattern.
关键词
鉴赏系统 /
科技语篇
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