工程设计图、产品设计图、地图、示意图等图形作品和模型作品；
Graphic works such as diagrams of project design, drawings of product design, maps and sketches as well as works of their model;
但语言的个别使用方式和交际价值的实现则有赖于既定情境与意图等语外因素的作用。
On the other hand, individual use of language towards the realization of communicative value in language depends on the role of context and intention.
本研究以残疾人为调查对象，利用无助理论对其旅游障碍、旅游参与意图等进行了实证分析。
The study, with the disabled people as an object of investigation, makes an empirical analysis of their tourist barriers, tourist participation and intention by adopting the theory of helplessness.
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