“satellite ground tracking”的概念、定义、翻译、参考文献-科学参考

单词	satellite ground tracking
释义	satellite ground tracking Encyclopedia 理学卫星地面跟踪释 satellite ground tracking卫星地面跟踪卫星重力测量最早采用的测量方式，观测数据的类型有人卫激光测距、多普勒距离变化率以及用光学方法测定的卫星方位角和高度角等。
随便看	radiation sickness radiation simulation method radiation source radiation source in industry radiation source; radioactive source radiation spectrum radiation stability radiation sterilization radiation sterilization devices radiation storage effect radiation strength radiation surplus radiation survey radiation survey meter radiation symbol theorem radiation synthesis radiation technology radiation technology for flue gas purifying radiation technology for solid waste treatment radiation technology for wastewater treatment radiation temperature radiation test and evaluation radiation test facility radiation therapy radiation therapy, radiotherapy

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