With the development of computer and Internet, a multimedia intercommunion method combined with characters, voice and visible images are much more preferred than traditional character intercommunion.

• 随着计算机和互联网的迅速发展，传统的文字交流已经难以满足人们的需求，一种集文字、语音、图像为一体的多媒体通信方式更受青睐。