它们的种子的顶端向上生长，其距离地面的高度刚好可以接触到风；它们的体型大小也刚好是生长所需的尺寸；它们的茎是空心的，且仅仅是通过体内的含水量来保持自身的坚挺。
Their seed heads raised just high enough above the ground to catch the wind, the plants are no bigger than they need be, their stems are hollow, and all the rigidity comes from their water content.
从距离地面不同高度的管子上跳下来并按规则着地。
Jump from the tubes that are installed at a different distance from the ground and try to land following the rules.
高山嵩草分蘖节直径伴随着退化程度的加大有增加的趋势，分蘖节距离地面的高度变化不明显。
With the increase of degradation, the diameter of tiller node increased, while the changes of its height apart from above ground were not obvious.
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