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根据美国.S. 教育部民权办公室, the definition of accessible is as follows - "Accessible means a person with a disability is afforded the opportunity to acquire the same information, 参与相同的互动, and enjoy the same services as a person without a disability in an equally effective and equally integrated manner, 具有基本相同的易用性." - U.S. 教育部民权办公室