A,B,C,D都在同一个与水平面垂直的平面内,B,D为两岛上的两座灯塔的塔顶,测量船与水平面A处测得B点和D点的求BD间的距离.(计算结果精确到0.01km,√2=1.414,√6=2.449) 请有才之人写出具体的步骤,
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![A,B,C,D都在同一个与水平面垂直的平面内,B,D为两岛上的两座灯塔的塔顶,测量船与水平面A处测得B点和D点的求BD间的距离.(计算结果精确到0.01km,√2=1.414,√6=2.449) 请有才之人写出具体的步骤,](/uploads/image/z/4065860-20-0.jpg?t=A%2CB%2CC%2CD%E9%83%BD%E5%9C%A8%E5%90%8C%E4%B8%80%E4%B8%AA%E4%B8%8E%E6%B0%B4%E5%B9%B3%E9%9D%A2%E5%9E%82%E7%9B%B4%E7%9A%84%E5%B9%B3%E9%9D%A2%E5%86%85%2CB%2CD%E4%B8%BA%E4%B8%A4%E5%B2%9B%E4%B8%8A%E7%9A%84%E4%B8%A4%E5%BA%A7%E7%81%AF%E5%A1%94%E7%9A%84%E5%A1%94%E9%A1%B6%2C%E6%B5%8B%E9%87%8F%E8%88%B9%E4%B8%8E%E6%B0%B4%E5%B9%B3%E9%9D%A2A%E5%A4%84%E6%B5%8B%E5%BE%97B%E7%82%B9%E5%92%8CD%E7%82%B9%E7%9A%84%E6%B1%82BD%E9%97%B4%E7%9A%84%E8%B7%9D%E7%A6%BB.%EF%BC%88%E8%AE%A1%E7%AE%97%E7%BB%93%E6%9E%9C%E7%B2%BE%E7%A1%AE%E5%88%B00.01km%2C%E2%88%9A2%3D1.414%2C%E2%88%9A6%3D2.449%EF%BC%89++%E8%AF%B7%E6%9C%89%E6%89%8D%E4%B9%8B%E4%BA%BA%E5%86%99%E5%87%BA%E5%85%B7%E4%BD%93%E7%9A%84%E6%AD%A5%E9%AA%A4%2C)
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