• Rocket propellant has barely changed in the more than 50 years since the launch of the first artificial satellite Sputnik.

    第一人造卫星史泼尼克发射以来,火箭推进剂超过50时间内变化不多。

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  • Sputnik - the first artificial satellite - is launched by the Soviet Union on October 4, 1957, as a global positioning system for precise weapon delivery and paves the way for GPS as we know it today.

    1957年10月4苏联发射了人造卫星“斯普特尼克”作为精准武器全球定位系统我们今天所知GPS铺平了道路。

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  • Do you know when the first artificial satellite of America was launched?

    知道美国第一人造卫星什么时候发射的吗?

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

    这个人造卫星轨道, 其最远点在离地球200英里地方。

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

    这个人造卫星轨道,其最远点在离地球200英里地方。

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  • First artificial satellite launched fr Earth. Sputnik I is orbited by the Soviet Union, arking the dawn of Earth's Space Age.

    第一人造卫星苏联制的“史普尼克一号”地球发射开始轨道运行,为地球的太空世纪开启曙光

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  • Artificial neural networks are proposed in this paper, which are used to detect and diagnose faults of hardware for the satellite attitude measurement system. The result is satisfied.

    针对卫星姿态测量系统硬件故障应用人工神经网络进行故障检测诊断,得到了较为满意的结果

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  • The first artificial satellite.

    第一人造卫星

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  • Accurate measurement of the orbit parameters of the artificial satellite was provided by radio and optical stations.

    人造卫星精确轨道参数无线电光学观测站测量得出

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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.

    人造地球卫星轨道计算测速定轨方法拟合火箭飞行弹道的自由段,取得了比较满意结果

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  • The stability of artificial lunar satellites and relevant synchronous satellite are also discussed.

    讨论了人造月球卫星以及相应同步卫星运动稳定性

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  • The shape and perigee of artificial satellite orbits shall continually variate due to caused by the atmospherical drag and the earth gravity.

    人造地球卫星轨道由于大气阻力地球引力场等因素的摄动,形状近地点位置不断改变

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  • He also played a significant role in developing the country's first artificial earth satellite.

    同时研制中国第一人造地球卫星过程中身兼重任。

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  • Since 1957 the Soviet Union launched the first artificial satellite, the space age has begun.

    自从1957年苏联发射了第一人造卫星人类的空间时代拉开了序幕

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  • By analysing the process of a artificial enhancement precipitation, we also discuss satellite retrieve product's operation in artificial enhancement precipitation.

    本文通过一次人工增雨作业过程分析,初步讨论了卫星反演产品人工增雨作业指挥中的指导作用。

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  • 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.

    本文介绍程序覆盖在人造卫星轨道改进程序应用一个例子

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  • Satellite images recently released by the Chinese media showed that Vietnam attempted to construct two artificial islands in part of the South China Sea that is claimed by China.

    中国媒体近日公布卫星图像显示越南中国声索主权南海海域建设两个人工岛礁

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  • The first artificial earth satellite in the world has now been created.

    世界第一人造卫星已经诞生了。

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  • According to the practical instance of the apparatus modules of artificial satellite, the layout optimization models of the difform graph elements are discussed.

    依照卫星仪器舱布局问题实际应用状况,讨论多种布局优化模型

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  • The life of an artificial satellite.

    人造卫星寿命

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  • The differential equations that describe the artificial satellite motion are very complicated, and it is impossible to get the analytic express of solution.

    描述人造卫星运动微分方程非常复杂可能给出解的解析表达式。

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  • In recent years, the artificial earth satellite measured the size of the earth more precise.

    近年来,人造地球卫星测得地球大小更为精确。

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  • Calls with the current time and date automatically change based on satellite time, convenient and quick, not to be artificial Settings.

    来电附带当前时间日期根据卫星时间自动变更方便快捷不须人工设置。

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  • If the astrometry is to be done from an artificial satellite, then the result could be obtained more quickly and accurately. This is the special advantage of the Hipparcos method of astrometry fro...

    人造卫星进行这种天体测量,精确就是依巴空间测量卫星特点。

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  • If the astrometry is to be done from an artificial satellite, then the result could be obtained more quickly and accurately. This is the special advantage of the Hipparcos method of astrometry fro...

    人造卫星进行这种天体测量,精确就是依巴空间测量卫星特点。

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