píng miàn
plane (flat surface)
print media
píng miàn tú
a plan
a planar graph
a plane figure
shuǐ píng miàn
horizontal plane
level surface
water level
qiē píng miàn
tangent plane (to a surface)
xiàng píng miàn
phase plane (math., ordinary differential equations)
fù shù píng miàn
complex plane (math.)
Argand plane
jī běn duō wén zhǒng píng miàn
basic multilingual plane (BMP)