These emissions can have a pattern, occur intermittently, or as a transient astronomical event.

Some of the most difficult troubleshooting issues relate to symptoms which occur intermittently.

Armed robberies continue to occur intermittently, especially in major business and shopping districts.

Thunderstorms may occur intermittently at any time of year, but are most common throughout late-spring and summer.

The writing process was long collaboration between the brothers, occurring intermittently over a period of five years.

This strategy (which intermittently occurred throughout the span of the siege) also failed.

But if it's the sewage or the treatment process, why would the smell occur only intermittently?

He caused a small light to occur intermittently, that his feet might be guided.

They occur intermittently over several months or years, often between periods of rapid growth.

The vocal parts, however, only occur intermittently, and it is the keyboard instrument that accounts for the largest share of the music.