12月7日,本刊记者参加了朝阳区教委和区科协主办、垂杨柳教辅中心承办的朝阳区第五届青少年微型机床现场加工设计作品大联赛,大赛的地点选在垂杨柳教辅中心。本次活动以“实践、创新、成长”为主题,设计制作“一种科普宣传橱窗”模型,要求每支参赛队根据活动命题现场设计模型图纸并借助微型机床工具加工零部件实体,完成模型的整体组装。 December 7, the reporter participated in Chaoyang District Board of Education and District Association for Science and Technology, Chaoyang Yangliu auxiliary center contractors Chaoyang District, the fifth young micro-machine tool field design works of the big league, the venue selected in the weeping willow Jiao Fu center. This activity is based on the theme of “practice, innovation and growth” and designs and produces a model of “popularization of science popularization window”. Each team is required to design the model drawings according to the field of activity proposition and process the component entities by using the micro-machine tool , Complete the model's overall assembly.