网上学习平台 可以上传下载学习资料 属于内部操作 不能注册 由系统管理员统一分配权限 但是其他人可以看学习资料 只有有账号密码的才可以提交作业这方面的功能-Online learning platform can upload and download learning materials belonging to the internal operation can not be registered by the system administrator to assign permissions but its unity

Others can be seen only with learning materials account password before you can submit a job function in this regard