1. Skill, competence, or specialized knowledge that has been shown or proven through action or evidence
The surgeon's demonstrated expertise in minimally invasive procedures impressed the medical board.
A perícia demonstrada do cirurgião em procedimentos minimamente invasivos impressionou a junta médica.
2. Professional ability or technical proficiency that has been made evident or manifest
His demonstrated expertise in software development secured him the position.
A sua perícia demonstrada em desenvolvimento de software garantiu-lhe a posição.