One report tells of a totally blind boy who could ride his tricycle at good speed round the block near his home, using facial vision.
有一则报道讲述了一个完全失明的男孩，可以用面部视觉围绕他家附近的楼栋快速骑三轮车。
The key problem in the hull form design for a high speed round bilge displacement craft is to select an appropriate afterbody form.
高速圆舭排水艇的船型设计，关键是合理选择尾部线型。
The key problem in the hull form design for a high speed round bilge displacement craft is to select an appropriate afterbody form.
高速圆舭排水艇的船型设计，关键是合理选择尾部线型。
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