摘要
针对传统黑板及其现实改进产品中存在的不足,提出一种可选择性自清洁正反卷黑板的设计方案。实践证明,该方案能有效改善教师工作环境,减轻教师工作量,提高教学效率,且结构简单、易操作、成本低。
The paper provides a design scheme of blackboard aiming at the shortcoming of the traditional blackboard and practical improvement in the product. The practice proved that the scheme can effectively improve teachers＇ work environment and reduce teacher workload and improve the teaching efficiency, at the same time, the scheme has the advantages of simple structure and easy operation and low cost.
出处
《中国教育技术装备》
2015年第10期33-34,37,共3页
China Educational Technology & Equipment
基金
江苏省"青蓝工程"项目资助(项目编号QLGC-2013-04)
关键词
自清洁
正反卷
黑板
工作环境
self-cleaning
positive and negative roll
teaching
workenvironment
