极坐标系 jí zuò biāo xì

DEFINITIONS

  1. system of polar coordinates

CHARACTERS

极 jí
HSK 3
extreme, utmost, furthest, final
坐 zuò
HSK 1
sit; seat; ride, travel by
标 biāo
HSK 4
mark, symbol, label, sign; stand the bole of a tree
系 xì
HSK 1
system; line, link, connection