solar system exploration的意思|示意

At the end, the development trend of electric rocket for future solar system exploration mission is pointed out.

最后，指出了空间探测器主推进用电火箭的发展趋势。

Comparative planetary geology is a frontier discipline on exploring nature and evolution of human being, and a key to reaching the three major goals of Solar system exploration.

比较行星地质学是人类认识自然和人类本身形成与演化的前缘学科，是实现太阳系探测三大科学目标的主要手段。

IN the summer of 1977 two American spacecraft were launched on what is arguably the grandest mission ever: the exploration of the outer planets of the solar system and the space that lies beyond.

1977年的夏天，两位美国飞行员被选中投身于可以说是有史以来最伟大的使命：对太阳系及更远空间的外太空探索。