Foralongtime,humanshaveusedtechnology(科技)tostudythewor...
问题详情： Foralongtime,humanshaveusedtechnology(科技)tostudytheworldaroundus,andMarsisthelatestplacewe’reusingmachinestoexplore.Besidestheearth,the“redplanet”isseen,astheoneplaceinoursolarsystemmos...