The engine is mounted on a test-bed and attached to a computer-controlled dynamometer, which is used to apply an adjustable load.

ECONOMIST: Car design

The repair shop put an engine on a test bed, attached sensors, hooked it to computers, and tried every possible combination of gas and air.

FORBES: Institutional Stupidity, III

This puts different stresses on hardware and provides a unique test bed for products under development.

FORBES: Consortium Builds Next-Generation Net

Beans will be turned into chocolate on Tcho's elaborate production line, which is being used as a test-bed for remote video-monitoring of industrial processes by researchers at Fuji Xerox in Palo Alto.

ECONOMIST: A start-up innovates in an unexpected field

It has made the country of 1.1 billion the test bed for experiments in using cell phones and DVD players as computers, putting advertising on cell phones and finding ways to make PCs more affordable through shared access.

FORBES: Knitters Without Windows