“卫星星历”的概念、定义、翻译、参考文献-科学参考

单词	卫星星历
释义	卫星星历 Encyclopedia 工学用户终端技术释 satellite ephemeris卫星星历以开普勒定律的6个轨道参数来确定卫星的位置、速度等各项参数的数据系统，主要用于对人造地球卫星运动预测、跟踪、定位等。又称两行轨道数据。
随便看	graded education administration graded form graded free resolution graded group graded heterojunction graded homomorphism graded Hopf algebra graded ideal graded index graded index fiber graded index lens graded index lens, GRIN graded index media graded-index media =graded index 陡度折射率 graded junction graded lattice graded Lie algebra graded manifold graded medical treatment graded module graded morphism graded object graded pn junction graded-polarizable

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。