Once every two years

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Similar topics in Freebase

• Once every two weeks

  A biweekly event occurs every two weeks. While "biweekly" is colloquially used, sometimes, to mean twice a week, it should only be used to mean every two weeks to ensure consistency of data.  Events that occur twice a week should use "semi-weekly" instead.

• Kilohertz

• Hertz

  The hertz (symbol: Hz) is a unit of frequency. It is defined as the number of complete cycles per second. It is the basic unit of frequency in the International System of Units (SI), and is used worldwide in both general-purpose and scientific contexts. Hertz can be used to measure any periodic...

• Daily

  Daily may refer to:

• Weekly

  Weekly is a reference to the interval between events; once every week.

• Quarterly

  every three months.

• Once every two months

  Bimonthly is a reference to the interval between events; once every two months.

• Semiannually

  Happening twice per year; for "every other year", see Biennially.

• Yearly

  Once per year.

• Hourly

  Happening once per hour.