Following the increasing rapidity of our communications with countries abroad, China is having a great number of visitors from different countries. Today, we feel very much honoured to have Prof.Smith with us. Prof.Smith is well known to the world for his achievements in the field of Computer Science.
First of all, let me ,on behalf of all present here, extend our warm welcome and cordial greetings to our distinguished guest.
Now let us invite Prof.Smith to speak to us.