Based on the established context theory, the thesis gives careful explanations about the context including its definition, classification and the function in word meaning.
本文以前人的语境理论研究为基础，首先，详细地介绍语境，包括语境的定义、历史分类和语境在语义中的作用；
This paper is a report of a teaching experiment on word problems on quadratic equations with one unknown based on the theory of schemas a.
基于当代认知心理学有关应用题解答的研究成果，笔者选择了样例学习理论和图式理论作为研究依据，就一元二次方程应用题进行了一项教学实验。
Total emission control of water pollutants is based on natural water dilution of pollutants and autopurification theory, in another word, natural water has some environmental capacity on pollutants.
水污染物的总量控制是建立在天然水体对污染物具有稀释扩散和自净作用理论上，即天然水体对污染物具有一定环境容量的基础上。
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