单叶双曲面 dān yè shuāng qū miàn

DEFINITIONS

  1. hyperboloid of one sheet (math.)

CHARACTERS

单 dān
HSK 3
single, individual, only; lone
叶 yè
HSK 4
to harmonize, to rhyme; to unite; (borrowed for) leaf
双 shuāng
HSK 3
set of two, pair, couple; both
曲 qū
HSK 6
crooked, bent; wrong, false
面 miàn
HSK 1
face; surface; plane; side, dimension