2K-H form planetary transmission
2Z-X D planetary mechanism
acceleration of planetary notion
Atmospheric Planetary Boundary Layer Model
Clutch type planetary gear reducer
comparative planetary science
compound planetary gear
cycloid ball planetary transmission
cycloidal pinwheel planetary gear speed reducer
depth of planetary boundary layer
dual planetary gears mechanism
eddy planetary circulation
Equatorial planetary waves
extratropical planetary wave
floating planetary gear
Land planetary boundary layer