通常，在中等坡度的机压雪道上，这些滑雪者会留下连续、平行且深度一致的轨迹，如下图所示。
Normally, on a groomed moderate pitch these skiers draw continuous parallel and equally deep trenches similar to the ones depicted below.
构造地貌能反映断裂的结构变形特征和断层的活动强度。例如断层陡坎的高度、长度和坡度以及断层陡坎的连续程度。
Tectonic topography can reflect the structural deformation feature and active strength of faults, such as the height, length and gradient of a fault scarp as well as its continuity.
为了研究连续下坡道路的坡度、坡长与事故的关系，采集了5条典型连续下坡路段总长度为76。
In order to study the effect of gradient and length of long and steep downgrade on the traffic accidents, the data of 1276 traffic accidents which occurred in 5 different typical downgrades 76.
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