test bed

1.
Internationaltechnicalneutral
- A physical installation, stand, or apparatus used to test engines, rockets, machines, or other equipment under controlled conditions.
- A platform or rig on which prototypes or components are fitted and trialled to evaluate performance, safety, or durability.
2.
Internationalneutralformal
- A controlled environment or project used as a proving ground to trial new technologies, policies, techniques, or social and economic experiments before wider deployment.
- A site, program, or context chosen to evaluate and refine innovations or ideas in operational conditions.

Examples: