The phrase "irregular updates" is correct and can be used in written English.
Example: The company's website had been stagnant for months due to irregular updates, causing frustration among its customers.
Stenciling can camouflage irregular walls, update a parquet floor and even add interest to an otherwise ordinary sisal carpet.
Even now Stephen has maintained an irregular series of updates to his hundreds of thousands of Facebook and Twitter followers, acknowledging his likely and imminent fate while stressing how content he is to have made such a difference.
Sutton has maintained an irregular series of updates to his hugely popular Facebook page, describing the moment doctors explained that the collapsed lung could kill him, and gaining yet more tweets from celebrities urging people to donate, with recent backers including Coldplay and David Tennant.
A high resolution finite volume method is then applied on the resulting slightly irregular grid to update all cell values.
Re-annotation occurs at irregular intervals to update annotation on the same assembly, or when a new genome assembly is released.
The database is updated at irregular intervals and is readily searchable by species and/or chemical name.
A minority of respondents (35/105; 33%) reported regular updating, whereas 59% (62/105) reported updating practices as irregular.
Although the satellite images are only updated on an irregular basis - meaning that pictures of mobile targets would be unusable - some defence experts have said the easy availability of information can increase the risks for military organisations.
Several groups (62/105; 59%) reported updating practices as irregular, and over half (53/103) of organizational respondents estimated that more than 50% of their respective SRs were likely out of date.
