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随着新型运载火箭H-2研制的进展,日本开始谋求进入国际商业发射市场。但现在日本火箭的成本太高,妨碍其打开国际发射市场。主要原因是日本宇宙开发事业团(NASDA)受其年度预算的限制,无法提供跨年度的大笔经费,而一次定购的运载火箭数量又达不到批量生产规模,成本自然降不下来。现在NASDA正使用的H-1型运载火箭一次只能制造一枚,发射费用达8450万美元(130亿日元),远远高于
With the development of the new launch vehicle H-2, Japan has begun to seek access to the international commercial launch market. But now the cost of the Japanese rocket is too high, which prevents it from opening up the international launch market. The main reason is that the Japan Space Development Corporation (NASDA) is limited by its annual budget and cannot provide large cross-year funding, and the number of launch vehicles that are ordered once can no longer reach the scale of mass production, and the cost cannot be reduced naturally. Now the H-1 launch vehicle being used by NASDA can only make one at a time. The launch cost is 84.5 million US dollars (13 billion yen), which is much higher than that.