论文部分内容阅读
A conference celebrating the 50th anniversary of China’s space industry was held in Beijing on October 13, 2006. The Chinese President Hu Jintao sent a congratulatory letter to the conference. Hu said that space industry is a significant symbol of the nation’s
A conference celebrating the 50th anniversary of China’s space industry was held in Beijing on October 13, 2006. The Chinese President Hu Jintao sent a congratulatory letter to the conference. Hu said that space industry is a significant symbol of the nation’s