Eng

Astrodynamicist...

天體動力學家

Astrodynamicist

(Celestial, Astrodynamics, application of ballistics, Motive, Power, Dynamics, Physics of, Kinematics, Study, Study of, Scientist, Scientists)

太空動力學家

Astrodynamicist

(Space, Astrodynamics, application of ballistics, Motive, Power, Dynamics, Physics of, Kinematics, Study, Study of, Scientist, Scientists)