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日本已经预见到由空间计划发展起来的高级技术将是日本国民经济增长的关键,因而制订了以促进国民经济发展和满足市场需要为宗旨的空间研制计划,并在计划执行中逐渐确立了独立自主地进行研制和生产的原则,同时对某些力所不及的大型项目,则走国际合作的道路。日本从1955年开始研制运裁火箭以来,已经完成了M 和N 系列火箭的研制工作、现正在进行H系列运载火箭的研制工作,1986年计划发射H-1A、1990年计划发射H-1B、1992年计划发射H-Ⅱ。
Japan has foreseen that the advanced technology developed from the space program will be the key to the economic growth of Japan’s national economy. Therefore, it has formulated a space development plan aiming at promoting the development of the national economy and meeting the needs of the market. In the course of implementing the plan, Carry out the principle of research and production and at the same time take the road of international cooperation for large-scale projects that are beyond the scope of normal conditions. Japan has started the development of the M-series and N-series rockets since the Rocket was started in 1955. The development of the H-series launch vehicle is under way. H-1A is planned to be launched in 1986, H-1B in 1990, It is planned to launch H-Ⅱ in 1992.