The orbit of the artificial satellite has an apogee of 200 miles from the earth.

这个人造卫星的轨道，其最远点在离地球200英里的地方。

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The orbit of the artificial satellite has an apogee of 200 miles from the earth.

这个人造卫星的轨道， 其最远点在离地球200英里的地方。

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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。

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And after the Soviet launch of Sputnik, the first artificial satellite to orbit the Earth, the United States went about winning the Space Race by investing in science and technology, leading not only to small steps on the moon but also to tremendous economic benefits here on Earth.

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