The planet is probably in orbit around a small star.这颗行星可能正环绕着一颗小恒星运行。Yet bigger satellites will be sent up into orbit.更为大型的卫星将被送入轨道。The orbit of this comet intersects the orbit of the Earth.这颗彗星的轨道与地球的轨道交叉。...
Objective To study the CT findings of dermoid cyst of the orbit.目的分析眼眶皮样囊肿的CT表现.In the late 1970s Laos fell within the orbit of Vietnam and the Soviet Union.20世纪70年代末，老挝被纳入了越南和苏联的势力范围。Pluto has an elliptic orbit.冥王星的轨道是椭...