当前,我国大中小学的教学系统正进一步朝着网络化、数字化、虚拟化、多媒体化、远程化的方向发展。现代计算机技术、信息压缩技术、快速传输技术和海量存储技术的发展,超乎预想地把知识送到了每个人的身边,使人们的知识检索、获取、表达都发生了根本性的变革,网络不仅走近平民 At present, the teaching system of primary, middle schools and primary schools in our country is further developing in the direction of network, digitization, virtualization, multimedia and remote. Modern computer technology, information compression technology, rapid transmission technology and mass storage technology development, beyond the expected knowledge sent to everyone’s side, so that people’s knowledge retrieval, acquisition, expression have undergone fundamental changes, the network not only Approached civilians