proven ground
[ˈpruːvən ɡraʊnd]
nounpl: proven grounds
terreno comprovado / campo de prova
1. An area or field that has been tested and verified to be suitable for a specific purpose or activity
The testing facility is on proven ground for automotive safety experiments.
A instalação de testes fica em um terreno comprovado para experimentos de segurança automotiva.
2. A location where something has been established as reliable or effective through testing and experience
This technology works on proven ground in the aerospace industry.
Esta tecnologia funciona em um campo de prova estabelecido na indústria aeroespacial.
Related Idioms & Phrases
on proven ground - em terreno seguro/comprovado
break new ground - abrir novos caminhos
stand one's ground - manter-se firme na posição
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