ABSTRACT Traditional studies of evaluation in Systemic Functional Linguistics have presented a wide range of characteristics and resources of implicit and explicit evaluation (henceforth IE and EE). These studies have revealed that IE is tactical and involves complicated expressions but they have not clearly illustrated why speakers/writers choose one linguistic expression of IE instead of another. To address this issue, we carry out a qualitative analysis of IE by establishing an analytical framework comprised of three sub-systems: value, situation and reasoning, based on a reinterpretation of IE in terms of its metafunctions. Within this analytical framework, we generalize a three-dimension space vector model to illustrate the working mechanism behind the choice between various linguistic resources of IE. The model illustrates the collaboration and the complementarity between various constituents in the analytical framework, and what has unfolded in discourse is essentially the result of the vector calculation process.

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学术话语中的隐性评价：系统功能视角

摘要 系统功能语言学中的传统评价研究呈现出隐性和显性评价（以下称为 IE 和 EE）的广泛特征和资源。这些研究表明，IE 是战术性的，涉及复杂的表达，但他们没有清楚地说明为什么说话者/作者选择 IE 的一种语言表达而不是另一种。为了解决这个问题，我们基于对 IE 元功能的重新解释，通过建立由三个子系统组成的分析框架对 IE 进行定性分析。在这个分析框架内，我们概括了一个三维空间向量模型来说明 IE 各种语言资源之间选择背后的工作机制。