[]

Jyutping zau1 kei4 git3 kau3
Pinyin zhōu qí jié gòu

Definitions (Wiktionary)
  1. noun
    periodic structure (structure made of bays coupled through one or more coordinates)

[]

Jyutping zau1 kei4 git3 kau3
Pinyin zhōu qī jié gòu

Definitions (Wiktionary)
  1. noun
    periodic structure (structure made of bays coupled through one or more coordinates)