20世纪最后五年的远征目标20世纪仅剩下最后的5年了,各航天大国探测火星的计划都在加紧进行。鉴于过去火星登陆器都是固定式的,能考察的范围和视野太小,而且对火星土壤的分析都是靠仪器进行。没有人的直接参与,许多重要 Expedition targets for the last five years of the twentieth century remain only the last five years in the twentieth century, and the plans of various space powers to probe Mars are stepping up. In view of the Mars rover in the past are stationary, to investigate the scope and vision is too small, and the analysis of Mars soil by instruments. No one’s direct participation, many important