In recent years, the artificial earth satellite measured the size of the earth more precise.
近年来，由人造地球卫星测得的地球大小更为精确。
He also played a significant role in developing the country's first artificial earth satellite.
他同时在研制中国第一颗人造地球卫星过程中身兼重任。
In this paper an example is given for the application of the routine overlay method to the retrofit program of the. orbit of an artificial earth satellite.
本文介绍程序覆盖法在人造卫星轨道改进程序中应用的一个例子。
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.
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。
First artificial satellite launched fr Earth. Sputnik I is orbited by the Soviet Union, arking the dawn of Earth's Space Age.
第一颗人造卫星，苏联制的“史普尼克一号”从地球上发射开始轨道运行，为地球的太空世纪开启了曙光。
The shape and perigee of artificial satellite orbits shall continually variate due to caused by the atmospherical drag and the earth gravity.
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.
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。
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