第一个立方卫星是在2000年代初创建的，目的是使斯坦福大学的研究生能够设计、建造、测试和操作具有与苏联人造卫星类似功能的航天器。

The first Cube Sat was created in the early 2000s, as a way of enabling Stanford graduate students to design, build, test and operate a spacecraft with similar capabilities to the USSR's Sputnik.

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它延续了1961年由奥斯卡计划开始的行动。奥斯卡计划是一个总部设在美国的组织，在人造卫星“斯普特尼克”之后仅四年就制造并发射了第一颗非政府卫星。

It continued the efforts, begun in 1961, by Project OSCAR—a US-based group that built and launched the very first nongovernmental satellite just four years after Sputnik.

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由于月球阻碍了与探测器的直接无线电通信，中国首先必须把一颗人造卫星送入月球轨道上的一个点，人造卫星可以从那里向航天器和地球发射信号。

Because the moon's body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.

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