but they require high transmit speed,such as studio,lab etc,especially multimedia,graph and image processing,virtual reality and advertising.

• 但是又要求高的传输速率，如工作室、实验室等工作组级的网络，尤其是现在十分常见的多媒体应用、图形图像处理、虚拟现实与广告渲染等方面。