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目前,计算机已广泛应用于工农业生产、科研文教和国防军事等各个领域。计算机的使用实现了数据处理、情报检索、信息传递、生产操作和科学实践的科学化、现代化和非时空化,大大提高了人们的工作效率,使人类改造客观世界的手段升华至一个新的高度。目前,使用和接触计算机的人员众多,与日俱增。有关资料表明,我国使用计算机的人员每年增加的速度超过10％。面对经常接触和使用计算机的众多人群,如何进行健康指导和卫生防护,已引起社会各界的普遍
At present, computers have been widely used in various fields such as industrial and agricultural production, scientific research, culture and education and national defense and military affairs. The use of computers realizes the scientific, modern and non-temporalization of data processing, information retrieval, information transfer, production operations and scientific practices, greatly improving people’s work efficiency and elevating human’s means of transforming the objective world to a new height . At present, there are numerous and ever-increasing numbers of people using and accessing computers. The information shows that the use of computers in our country the annual increase rate of more than 10%. How to guide health and protect the health of many people who have frequent contact and use of computers has caused widespread in the community