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发明名称
时区教学仪
摘要
一种时区教学仪由外盘和内盘两部分组成。外盘为24小时制刻度盘。内盘按15°间隔等分成24个圆孤扇面,代表24个时区。每个时区对应一个城市。顺时针转动内盘时,内盘上的图案所指外盘时间就是该时区内的城市当地时间。该教学仪使学生在认读时间的同时,直观感受到全球的日夜变化、日期变更及时区位移的理论根据和时间定义由来,是学校地理知识中时区位移理论的最佳教具,而且结构简单,成本低,易普及。
申请公布号
CN1746940A
申请公布日期
2006.03.15
申请号
CN200410074347.7
申请日期
2004.09.10
申请人
秦华彬;秦承府;苏文安
发明人
秦华彬;秦承府;苏文安
分类号
G09B29/14(2006.01)
主分类号
G09B29/14(2006.01)
代理机构
代理人
主权项
1.一种时区教学仪,其特征在于:它由外盘(1)和内盘(2)两部分组成,均用聚丙乙烯材料制成,外盘(1)中心注塑有一个中心轴(3),端部有螺纹,边缘贴有一圈不干胶(4),内盘(2)上贴有一层不干胶(5),圆心有一中心孔(6),内盘(2)通过中心孔(6)穿在外盘(1)的中心轴(3)上,并用螺母将它们连在一起。
地址
276200山东省蒙阴县县委老干部局
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