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盲人如何“看”世界？英国肯特郡阿什福德镇4岁盲童杰米·阿斯普兰在专家指导下，通过回声辨别物体、成功地绕过前方的栅栏。
利用“回声”看世界
【摘 要】
：
盲人如何“看”世界？英国肯特郡阿什福德镇4岁盲童杰米·阿斯普兰在专家指导下，通过回声辨别物体、成功地绕过前方的栅栏。
【出 处】
：
物理教学探讨：初中学生版
【发表日期】
：
2010年7期
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