When was china's first man-made earth satellite launched?
中国的第一颗人造地球卫星是什么时候发射的？
China succeeded in sending up another man-made earth satellite.
中国又成功地发射了一颗人造地球卫星。
China succeeded in launching its first man-made earth satellite in1970.
1970年中国成功地发射了第一颗人造地球卫星。
China succeeded in launching its first man-made earth satellite in 1970.
中国于1970年成功发射了第一颗人造地球卫星。
China succeeded in launching its first man-made earth satellite in 1970.
1970年，中国成功地发射了第一颗人造地球卫星。
It is reported that China has sent another man-made earth satellite into orbit.
据报道，中国又发射了一颗人造地球卫星进入轨道。
As is announced in the papers, our country has launched another man-made earth satellite.
报纸上宣布说，我国又发射了一颗人造地球卫星。
Invented in 1901 from vacuum cleaners, to man-made earth satellite, manned spacecraft, and science and technology in different fields show that a powerful force.
从1901年发明的真空吸尘器，到人造地球卫星、载人宇宙飞船，科技在不同领域里显示出了强大的力量。
Invented in 1901 from vacuum cleaners, to man-made earth satellite, manned spacecraft, and science and technology in different fields show that a powerful force.
从1901年发明的真空吸尘器，到人造地球卫星、载人宇宙飞船，科技在不同领域里显示出了强大的力量。
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