In order to achieve high performance, teams require regular changes and challenges.

For regular sound changes, the term sound law is sometimes still used.

At first, they did not understand why pulsars have a regular change in the strength of radiation.

To maintain a regular change in its exhibits, significant emphasis is placed on research and development.

It also makes for regular changes as staff retire and are replaced.

There have been regular changes to the vessels providing this service.

Please note that the list is subject to regular change.

The Code is subject to regular changes which are effected through federal laws.

States have chosen various methods of allocation over the years, with regular changes in the nation's early decades.

Modern liberal democracies, by definition, allow for regular changes of government.