Humans are wired to calculate the distance of an object by using the vertical Angle between its top and bottom.
人类通常是通过一个物体上下间的的垂直角度来计算与它相隔的距离。
First: the position of the first bolt invariably leads to a greater Angle in the rope as the belayer stands away from the vertical plane.
第一:因为保护者站在离开岩壁的地方,第一把快挂总是导致通过它的绳子弯曲成很大的拐角。
The report, obtained by the Sunday Telegraph, revealed that the tower was now leaning towards the north-west at an angle of 0.26 degrees, meaning the top of the tower is 1ft 5in (435mm) from vertical.
据周日电讯报获得的报告显示,大本钟目前已经朝西北方向倾斜了0.26度,这就意味着钟楼的顶部已经偏离垂直位置1英尺5英寸(435毫米)。
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