火星表面学  areography

土星表面学  saturnigraphy

比较行星学  comparative planetology; comparative planetary science

变截面行星轮  variable cross section cycloid gear

表面行进波  surface traveling wave

表面行为  surface behavior

超环面行星蜗杆传动  Toroidal drive; Toroidal planet worm drive

平面行星夹具  Flat planetary fixture

平行于水平面表面渗流  surface seepage parallel to horizontal surface

小行星学说  planetesimal theory

行星学  Planetology

火星表面环境  Mars surface condition

火星表面样品取回  Mars surface-sample return (MSSR

卫星表面  satellite surface

表面表达  surface-displayed; cell_surface display; surface expression

表面表现  surface acting

表面表征  Surface structure; surface characterization

表面面电阻  sheet resistance

表面面积  supravital staining; surface area; superficial area