论文部分内容阅读
磁性世界疫区分布图版,根据疫情管理工作的需要,参照《磁铁相吸》原理,选择镀锌铁,世界地图、磁性围棋子等材料,设计制作而成。其特点制作简单、经济、图例简明、直观性强,根据疫情变化,可定时或随时对其流行模式加以调整、变换;亦可根据使用环境及目的地不同,设置多种或单项
According to the needs of epidemic management, refer to the principle of “attracting magnetism”, and select the materials of galvanized iron, world map and magnetic chessmen, and so on. Its characteristics of simple, economical, simple legend, intuitive and strong, according to the epidemic changes, can be time or at any time to adjust its popular mode, change; can also be based on the use of different environments and destinations, set a variety or individual