短語(yǔ)詞組短語(yǔ)initial orbital elements 初始軌道mean orbital elements 平均軌道根數(shù)Nonsingular orbital elements 無(wú)奇點(diǎn)根數(shù)reference orbital elements 蓡照軌道要素Planetary Orbital Elements 行星軌道classical orbital elements 這些稱爲(wèi)經(jīng)典軌道要素median orbital elements 平均軌道根數(shù)relative orbital elements 相對(duì)軌道根數(shù) 返回 orbital elements