雙週期性

双周期性
shuāngzhōuqīxìng
(math.) double periodicity

CEDICT

math

Entry Composition

1 雙 shuāng
  1. two
  2. double
  3. pair
  4. both
  5. even (number)
2 週期性 zhōuqīxìng
  1. periodic
  2. periodicity (math)
  3. cyclicity