These systems often rely on significant assumptions about the input data.

The present system relies on hospitals and clinics to report cases.

And as costs increased, the system relied more on long-term financing.

The system now relies more on the infected person's taking the initiative.

Highly reliable systems should not rely on any such individual component.

The new system does not rely on radar to determine altitude.

Common systems rely on the use of computers and special herd management software.

The system now relies on one maintenance site to serve all schools scattered throughout a large area.

Both systems rely on different areas of the brain.

The system also relies on the local child welfare office to refer children efficiently, which does not always happen.