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阅读下列材料:材料一在世界各国发射的卫星中,美国、苏联占95%以上,其中所发射的卫星有70%用于军事目的。此外还有通讯卫星、气象卫星、地球资源卫星、导航卫星、测地卫星、科学卫星等。到1989年底,世界各国已发射各种宇宙飞行器3960颗,二十多个国家参加了发射,航天技术领域的总投资已达7000亿美元。国际通讯卫星承担了世界上2/3的国际电信业务和几乎全部的洲际电视转播业务。材料二在中国,航天计划也迈出了可喜的步伐,
Read the following materials: Material 1 Among the satellites launched in various countries of the world, the United States and the Soviet Union accounted for more than 95%, of which 70% of the satellites launched were used for military purposes. In addition there are communication satellites, weather satellites, earth resource satellites, navigation satellites, geodesic satellites, scientific satellites, and so on. By the end of 1989, all countries in the world had launched 3,960 various space vehicles, and more than 20 countries had participated in the launch. The total investment in the field of space technology has reached 700 billion U.S. dollars. International communications satellites have undertaken two-thirds of the world’s international telecommunications services and almost all intercontinental television broadcast services. In the second material, China’s space program has also made gratifying progress.