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我所要讲的第一个问题就是,为什么要发展航天技术?大家知道,如果不发展卫星,就不可能举办奥运会或者其他大型的比赛,也不可能看到中央电视台的各个地区的天气预报,更不能想象用因特网给朋友、同学发送
The first question I want to talk about is why we should develop space technology. As we all know, it is impossible to hold an Olympic Games or other large-scale competitions without the development of satellites. It is also impossible to see weather forecasts in all areas of CCTV. Can not imagine using the Internet to send to friends, classmates