1. A field of knowledge, expertise, or subject matter that has been comprehensively examined, researched, and analyzed in depth
Physics is a thoroughly studied domain with centuries of accumulated knowledge.
A física é um domínio amplamente estudado com séculos de conhecimento acumulado.
2. An area of specialization or practice where extensive documentation, experimentation, and investigation have established well-understood principles and practices
Machine learning has become a thoroughly studied domain in computer science.
O aprendizado de máquina tornou-se um domínio amplamente estudado em ciência da computação.