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phobos program 添加释义

英英释义

Phobos program

  • abstract: The Phobos (, ) program was an unmanned space mission consisting of two probes launched by the Soviet Union to study Mars and its moons Phobos and Deimos. Phobos 1 was launched on July 7, 1988, and Phobos 2 on July 12, 1988, each aboard a Proton-K rocket.

以上来源于: WordNet

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