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飞出地球,遨游环宇是人类梦寐以求的愿望。如今,值得骄傲的是,中国人进入太空已经成为现实,更高更远的目标等待我们去实现!遨游太空关键是太空发射。目前几乎无一例外地使用陆地发射方式,但这并不是惟一也不是最佳方案!航天火箭的发射方式有多种途径可供选择,其中有的已接近实
Fly out of the earth, travel around the world is the dream of mankind desire. Now, it is a matter of pride that the Chinese people have entered space and have become more and more realistic and await our realization. The key to traveling in space is space launch. Almost without exception land-based launches are available, but this is not the only and not the best option! There are a number of options available for launching space rockets, some of which are close to real