Introduction and MethodsWe do not have an accurate count of the number of teachers of students with visual impairments working in the field, and it is a difficult number to estimate. As part of a n...

中文翻译：

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估计美国视障学生的教师人数

介绍和方法我们没有准确统计在该领域工作的视障学生教师人数，也很难估计。作为...的一部分