“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	shousanli Shou Shan shou-shan Shoushan Hu Shoushan Library shoushan stone Shoushan Zhen Shou Shigong Shoushi Tongkao Shoushitongkao Shoushou shout Shou Wen shou with dragons and phoenixes shouwuli Shou Xi Shou Xian Shouxian Museum Shouxi Hu Shouyang Xian Shouyi Gao Shouyi Park in Wuhan Shouzhou city Shouzhou Kiln Shouzhou kiln

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。