As an effective tool for abstract shape visualization, line drawing falls squarely within the scope of non photorealistic rendering.
线条画作为一种有效表示形状抽象信息的工具，属于非真实感绘制研究的领域。
Abstract: Highway engineering feasibility study report is critical of the preliminary work of road construction and an important basis for project approval and post-construction drawing design.
摘要：公路工程可行性研究报告是公路建设前期工作的关键，是项目立项和后期施工图设计的重要依据。
Abstract: a paint vapour treatment by means of blowing and drawing ventilation in an airtight workroom is suggested in the article.
文摘：提出在密闭喷漆作业间，采用吹吸式通风法对作业间的漆雾进行治理的方案。
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