at regular intervals

Another way of thinking about it is that the way we understand democracy in the modern era includes a number of elements, only one of which is electing leaders at regular intervals through free and fair elections.

Here in northern Israel we hear booms at regular intervals as Iron Dome intercept rockets that Hezbollah fires from southern Lebanon.

An important sound in the play is a bell that Wygodny taps at regular intervals, often at moments when a line is spoken that lingers awkwardly in the air.

Between 26 August and 5 September, satellite imagery captured at regular intervals shows fresh paving along a section of road extending 6.4km inland from the coast along the border fence.

The mice were put in the MRI scanner and serotonin neurons were stimulated at regular intervals to see how this affected the whole brain.