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该论文总结了电子计算机、人造卫星和火箭三方面的新成就。
The thesis summed up the new achievements made in electronic computers, artificial satellites and rockets.
youdao
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该论文总结了电子计算机、人造卫星和火箭三方面的新成就。
The thesis summed up the new achievements made in electronic computers, artificial satellites and rockets.
youdao