- 问题详情:Researchersareplacingroboticdogs(机器*)inthehomesoflonelyoldpeopletodeterminewhethertheycanimprovethequalityoflifeforhumans.AlanBeck,anexpertinhuman-animalrelationship,andNancyEdwards,aprofessorofnursing,areleadingtheanimal-assistedstudyconcern...
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