The thesis summed up the new achieements made in computers, artificial satellites and rockets.
The thesis summed up the new achieements made in computers, artificial satellites and rockets.
该论文总结了计算机、人造卫星和火箭三方面的最新成就。
The thesis summed up the new achieements made in computers, artificial satellites and rockets.
该论文总结了计算机、人造卫星和火箭三方面的最新成就。