“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	shelf marginal systems tract shelf number shelf sales ratio shelf-slope fan system Sheliak She literature shell Shellac shellac shell beach ridge shell burning shell closure Shell coal gasifier shell coin shell correction shell crossing shell effect shell electron sheller shell evolution shellfish biomineralization shellfish cellular immunity of molluscs shellfish depuration shellfish ecological ice temperature keeping alive shellfish harvesting machine

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