中国又成功地发射了一颗人造地球卫星。
China succeeded in sending up another man-made earth satellite.
我们刚刚发射了一颗新的人造地球卫星。
中国的第一颗人造地球卫星是什么时候发射的？
报纸上宣布说，我国又发射了一颗人造地球卫星。
As is announced in the papers, our country has launched another man-made earth satellite.
人造地球卫星最早的一个用途就是之一就是导航。
One of the first applications of artificial satellites was radio navigation.
据报道，中国又发射了一颗人造地球卫星进入轨道。
It is reported that China has sent another man-made earth satellite into orbit.
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。
China succeeded in launching its first man-made earth satellite in1970.
近年来，由人造地球卫星测得的地球大小更为精确。
In recent years, the artificial earth satellite measured the size of the earth more precise.
一九七〇年中国成功地发射了第一颗人造地球卫星。
China succeeded in launching its first manmade earth satellite in 1970.
当时，受影响最严重的是环地球运行的人造地球卫星。
That time, the most effect was felt by man-made satellites orbiting above the Earth, " he said."
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.
他同时在研制中国第一颗人造地球卫星过程中身兼重任。
He also played a significant role in developing the country's first artificial earth satellite.
人们借助人造地球卫星，在许多科学领域里进行了大量的研究工作。
With the help of man-made satellites, people have done much re-search in many fields of science.
史波尼克：苏联发射的一系列人造地球卫星，标志着太空时代的开始。
Sputnik: Any of a series of Earth-orbiting spacecraft whose launching by the Soviet Union inaugurated the space age.
最令人不安的参照物是刚刚通过发射人造地球卫星展示其经济与科技实力的苏联。
The most troubling comparison was with the Soviet Union, which had just given a demonstration of economic and technological proficiency by launching Sputnik.
讨论地球扁率对人造地球卫星轨道平面的影响，介绍卫星的太阳同步轨道设计原理。
The effect of the flat rate of the earth on the orbit planes of satellites is discussed and the design principle of sun-synchronous orbit of satellites is introduced.
51年前苏联将1号人造地球卫星发射上轨，此举使美国大为震惊并引发了太空竞争；
SPACE technology has been a sinew of military power ever since the Soviet Union shocked America into the space race when it launched Sputnik 1 into orbit 51 years ago.
他的顾问们提醒说联邦的研发投入自人造地球卫星时代(Sputnik era)已急剧下滑。
His advisers fret that federal research and development has fallen sharply since the Sputnik era.
人造地球卫星的轨道由于大气阻力和地球引力场等因素的摄动，其形状和近地点位置将不断改变。
The shape and perigee of artificial satellite orbits shall continually variate due to caused by the atmospherical drag and the earth gravity.
用人造地球卫星轨道计算的测速定轨方法，去拟合火箭飞行弹道的自由段，取得了比较满意的结果。
The result is satisfactory by using a method of the artificial earth satellite orbit determination from range rate observations to fit the free-flight trajectory of rocket.
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.
这家公司的起源可以追溯到，1957年发射第一颗人造地球卫星(Sputnik)以及1961年首次将人类送入太空的设计局。
The company's roots can be traced back to the design bureau that launched the first Sputnik in 1957 and put the first man in space in 1961.
到1990年底，中国的运载火箭已经把32颗各类人造地球卫星成功地送入各自的运行轨道，并在空间开发和空间探索方面为人类作出了巨大贡献。
By the end of 1990, 32 satellites of various kinds had been sent to their orbits with Long March launch vehicles and China has made a great contribution to mankind in the space exploration.
到1990年底，中国的运载火箭已经把32颗各类人造地球卫星成功地送入各自的运行轨道，并在空间开发和空间探索方面为人类作出了巨大贡献。
By the end of 1990, 32 satellites of various kinds had been sent to their orbits with Long March launch vehicles and China has made a great contribution to mankind in the space exploration.
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