等周不等式 děng zhōu bù děng shì

DEFINITIONS

  1. the isoperimetric inequality

CHARACTERS

等 děng
HSK 2
rank, grade; wait; equal; 'etc.'
周 zhōu
HSK 3
Zhou dynasty; circumference
不 bù
HSK 1
no, not; un-; negative prefix
等 děng
HSK 2
rank, grade; wait; equal; 'etc.'
式 shì
HSK 4
style, system, formula, rule