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人类进入21世纪，人们的工作方式逐渐发生变化，移动办公也日益成为大多数人工作的趋势。计算机及网络技术飞速发展使数字化信息已经遍布世界的每个角落，信息技术已成为人类日益关注的领域，伴随移动通讯时代、办公自动化及网络时代的到来，日常生活中各式各样的信息已经大大
As human beings enter the 21st century, people’s working style gradually changes and the mobile office is increasingly becoming the trend of most people’s work. With the rapid development of computer and network technology, digital information has spread around every corner of the world. Information technology has become a field of increasing concern to mankind. With the advent of mobile communications, office automation and the internet age, various kinds of information in daily life Big