1.plane (flat surface)2.print media
1.a plan2.a planar graph3.a plane figure
1.horizontal plane2.level surface3.water level
tangent plane (to a surface)
phase plane (math., ordinary differential equations)
1.general layout2.site plan
(math.) complex plane; Argand plane
基本多文种平面基本多文種平面 basic multilingual plane (BMP)