To view this page ensure that Adobe Flash Player version 10.2.0 or greater is installed.
Either scripts and active content are not permitted to run or Adobe Flash Player version 10.2.0 or greater is not installed.
姓名: 单位: 联系方式:
随着GPS和计算机网络的发展,地球不再显得那么巨大,网络帮助人们及时了解非洲饥饿问题,计算机帮助人们设计合适的衣服,网络电视也逐渐发展等等。