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五种火箭竞争商务发射市场在国际商务发射市场上，五种火箭控制了向同步轨道发射重１．８ｔ以上通信卫星的市场。阿里安航大公司经营的阿里安４火箭系列占据了商务发射市场的６０％的份额，现在仍有３７颗卫星待发射。这类火箭中运载能力最大的阿里安４４Ｌ可把总重量为４...
Five types of rocket competition launch market In the international business launch market, five kinds of rockets control the launch of synchronous orbit over 1.8t communications satellite market. Ali Ann 4 rocket family run by large companies accounted for 60% of the commercial launch of the market share, there are still 37 satellites to be launched. This type of rocket carrying capacity of the largest Arian 44L can total weight of 4 ...