These systems form the basis of a company's marketing management information system.

For a few years, there were no reported cyclones, although many systems certainly formed.

These social relations form the superstructure, for which the economic system forms the base.

There are many staff with good basic training and the widespread system of primary health care forms an excellent base.

Late on October 15, the system formed into a tropical depression.

However, the first system formed on April 18, more than a month before the official start.

In a few years, there are no reported cyclones although many systems certainly formed.

The findings are likely to have a major impact on a debate over how the solar system formed.

Subsequent analysis indicated that the system formed at least two days earlier.

The system formed within a very large area of thunderstorm activity.