| 1. | Sounding rockets would be useless if they were unable to send information back to the earth .
高空探测火箭如果不能把资料送回地面，那就没有什么用处了。
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| 2. | Space research activities are being aided through two sounding rocket lauching stations sponsored by the united nations .
对于空间研究活动的援助是通过联合国支助的两个探空火箭发射站进行的。
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| 3. | Soaring into heaven by way of the " sound rocket
乘着音流火箭遨游天国故乡
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| 4. | Alsor air launched sounding rocket
空中发射的探测火箭
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| 5. | In the meantime , lockheed martin managers are focusing on suborbital sounding rockets for hybrid motors
在此同时，洛克希德马丁公司的人员正致力研究供次轨道探空火箭使用的混合型马达。
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| 6. | To experience driving over the speed of sound rocket vehicles in arizona , click start race start the game , after entering the game to see green after driving by shift attention , accelerated by the space bar across the open end of the slowdown in accordance with the z umbrella , by x braking
来体验驾驶超过音速的火箭车的快感，点击start race开始游戏，进入游戏后看到绿灯亮后开车，注意按换档，按空格键加速，冲过终点要按z打开减速伞，按x刹车。
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| 7. | Introduction : to experience driving over the speed of sound rocket vehicles in arizona , click start race start the game , after entering the game to see green after driving by shift attention , accelerated by the space bar across the open end of the slowdown in accordance with the z umbrella , by x braking
来体验驾驶超过音速的火箭车的快感，点击start race开始游戏，进入游戏后看到绿灯亮后开车，注意按换档，按空格键加速，冲过终点要按z打开减速伞，按x刹车。
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| 8. | The evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented . the technical features , development process , ground tests and flight records of nine typical solid motors are described . these motors were developed for sounding rockets , upper stages of launch vehicles and orbit transfer systems in application satellites respectively . the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced . the information in the paper are all based on the published literatures
叙述了20世纪50年代以来中国航天固体火箭推进技术的发展历程,介绍了9种最具代表性的固体火箭发动机的技术特征、研制过程、地面试验和飞行情况,这些发动机分别应用于中国的探空火箭、运载火箭上面级和应用卫星变轨系统.文中还简要地评述了中国固体推进各单项技术的发展水平
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| 9. | Abstract : the evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented . the technical features , development process , ground tests and flight records of nine typical solid motors are described . these motors were developed for sounding rockets , upper stages of launch vehicles and orbit transfer systems in application satellites respectively . the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced . the information in the paper are all based on the published literatures
文摘:叙述了20世纪50年代以来中国航天固体火箭推进技术的发展历程,介绍了9种最具代表性的固体火箭发动机的技术特征、研制过程、地面试验和飞行情况,这些发动机分别应用于中国的探空火箭、运载火箭上面级和应用卫星变轨系统.文中还简要地评述了中国固体推进各单项技术的发展水平
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