【摘要】 多媒体通信的广泛应用将会极大地提高人们的工作效率，减轻社会的交通运输负担，改变人们的教育和娱乐方式。多媒体通信将成为２１世纪人们通信的基本方式，是目前各国在通信、计算机、教育、广播娱乐等各个研究领域的前沿课题。更多还原

【Abstract】 The wide use of multi-medium has improved the people’s efficiency ,lessened the traffic transportation burden and changed the manner of people’s education and entertainment. Multi-medium will become the basic way of communication in the 21st century. It is also the forward subject of communication, computer,education and broadcast entertainment that has been researched at present all over the world.更多还原