《英文msh词典》Development Deviation,Child
[入口词] Development Deviation,Child
[主题词] Developmental Disabilities
[英文释义] Disorders in which there is a delay in development based on that expected for a given age level or stage of development. These impairments or disabilities originate before age 18,may be expected to continue indefinitely,and constitute a substantial impairment. Biological and nonbiological factors are involved in these disorders. (From American Psychiatric Glossary,6th ed)