故事情节是这样的：严思(男)是一名机械学专业的德国大学生，他在中国遇到了建筑专业的中国女大学生燕燕。
According to the plot, Jens, a male mechanics student in a German university, met female Chinese architect student Yan Yan in China.
本课程是机械设计制造及其自动化本科学生必修专业基础课，在学习完工程制图（1）的基础上方能学习本课程。
This course follows the course of Engineering Drawing (1) and is a required basic specialized course for students majoring in mechanical engineering.
要获得此类专业的证书，学生必须能够利用电脑设计系统绘制二维和三维的机械产品草图。
In order to receive a certificate in this field, the student must learn how to create two-dimensional and three-dimensional drawings of mechanical objects using computer design equipment.
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