以下为句子列表：
英文: Abstract: Discusses the principle and method of drawing in model space and paper space,analyses their characteristic,shows clearly the difference between the two and their application scope.
中文: 文摘:讨论了模型空间与图纸空间中绘图的原理、方法，分析了它们各自的特点，指出了它们各自的适应场合，可供不同的绘图采用。
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