共查询到10条相似文献,搜索用时 31 毫秒
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国际外空立法的发展与我国的外空政策和立法 总被引:1,自引:0,他引:1
近年来,外空的战略地位日益受到各国重视.外空不仅是国家战略和安全的重要空间、社会可持续发展的资源宝库、高科技的聚集点,也正在日益成为外空大国经济乃至世界经济发展新的增长点,许多国家已把外空作为其崛起的新机遇.当前.围绕着外空战略、安全、经济、资源利益等展开的政治和法律斗争值得重视和关注. 相似文献
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A joint swing test on the 2m-diameter solid booster flexible joint and a 20k W power level electromechanical servo system developed by CALT and the Academy of Aerospace Solid Propulsion Technology(AASPT)together has been completed recently.The testing included dynamic and static characteristic verifica- 相似文献
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《中国航天(英文版)》2015,(1):21
<正>Chang’e 3 lunar lander conducted extended tests on the surface of the moon after awakening from its dormancy.It was announced in the late of January that the pointing mechanism of the cameras onboard Chang’e 3 underwent extended tests to confirm the moving performance and limit switch triggering of the pointing mechanism under various status while pitching,moving forward and backward.According to the analysis derived from the remote 相似文献
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《中国航天(英文版)》2015,(2):54
On May 8,2015,under the witness of Chinese President XI Jinping and Russian Federation President Vladimir Putin,on behalf of two countries,China Satellite Navigation System Committee Chairman WANG Li and Russian Federal Space Agency Chief Igor Komarov signed the"China’s Bei Dou System and Russian Glonass System Compatibility and Interoperability Cooperation Joint Statement".It indicates that the navigation cooperation be- 相似文献
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CUI Enhui 《中国航天(英文版)》2015,(2):36-41
The LM-3C/Yuanzheng 1 launch vehicle lifted off from the Xichang Satellite Launch Center at21:52 Beijing time on March 30.The Yuanzheng1 upper stage delivered its passenger,the 17th Bei Dou navigation satellite,directly to the inclined geosynchronous orbit.China’s first"space shuttle bus"Yuanzheng1 upper stage completed its inaugural flight successfully. 相似文献
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SHEN Rui 《中国航天(英文版)》2015,(2):32
With the rapid growth of microsatellites,customers are becoming diversified from a single country to many countries,to departments,units,even individuals.Many universities,enterprises and individuals rather than a few monopolizing institutes are involved in the microsatellite development. 相似文献