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