Yet such space probes are not the only way of searching for other Earths.
然而太空探索并不是寻找另一地球的唯一途径。
Positioning and searching space objects is very important to human survival and daily life.
空间物体定位和物体搜索对人类的生存和日常生活非常重要。
Positioning and searching space objects is very important to human survival and daily life.
空间物体定位和物体搜索对人类的生存和日常生活非常重要。
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