等变压线 děng biàn yā xiàn

DEFINITIONS

  1. isallobar (line of equal pressure gradient)

CHARACTERS

等 děng
HSK 2
rank, grade; wait; equal; 'etc.'
变 biàn
HSK 3
change, transform, alter; rebel
压 yā
HSK 4
press; oppress; crush; pressure
线 xiàn
HSK 4
line, thread, wire; clue