制图是工科学校一门重要的技术基础课,它对训练学生掌握工程技术课程的学习方法,培养学生严谨的作风和负责精神都有其特殊的作用。随着科学技术的迅猛发展和计算机的广泛应用,生产实际中对制图的要求也随之发生了很大的变化。图板丁字尺等绘图工具、绘图仪器已经被计算机所取代;图纸等技术文件已经放进了计算 Cartography is an important technical basic course for engineering schools. It plays a special role in training students to master the learning methods of engineering technology courses and cultivate their rigorous style and responsible spirit. With the rapid development of science and technology and the extensive application of computers, the requirements of drawing in production have also undergone great changes. T-square and other drawing tools, drawing instruments have been replaced by computer; drawings and other technical documents have been put into the calculation