网友回答：
"mars mission would put china among space leaders ... a mars landing is among the most challenging feats in spaceflight， one of the greatest poets of ancient china. the name signifies the chinese nation s perseverance in pursuing truth and science and exp
温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。
