test-bench
test-bed
testing-bench

It was a test bed for many of the features incorporated into the 81 class.

Only one was built which ended up being used as a test bed.

This Satellite will also be a test bed for future technology.

"But it will be a useful test bed for interactive television, so the industry can start to see what people want."

My little crew of seven fish are the test bed.

The capabilities of this test bed are shown in the following table.

She was used for a test bed of the new weapons.

This test bed was lost during an accident in 2000, after having flown for 215 hours.

History is the only test bed for new ideas that cannot be tested.

But this may be the first real "test bed" of that technology.