They pitch a ball called Minicon in Minneapolis, at no fixed interval except that there seems to be at least one a year.

These are scales which repeat at a certain fixed interval higher each note in a certain finite set of notes.

Publishing newsletters at regular fixed intervals creates anticipation by parents and they will be searching children's bags and pockets on printing day.

The title refers to the concept (upheld by the inspectors) that "a fixed interval between buses on a regular service can be attained and adhered to".

Elections for Senators and Deputies occur at fixed four-yearly intervals in October.

An annuity is considered as accruing during each instant of the status for which it is enjoyed, although it is only payable at fixed intervals.

Interest is usually payable at fixed intervals (semiannual, annual, sometimes monthly).

At certain fixed intervals, currently every 20 years, a jar is dug up to determine which seeds still germinate after their prolonged periods of unlit isolation.

The Commission wants such checks to take place at regular, fixed intervals.

The shorter-distance services run on their exclusive tracks with short, fixed intervals and are comparable to S-bahn.