义词In the Tianshuihai area, small pingos, unsorted circles, sand wedges and polygons, and other periglacial phenomena were identified.
在该地区发
大量小型冻胀丘、石环等冰缘
存在。
词: polygonalIn the Tianshuihai area, small pingos, unsorted circles, sand wedges and polygons, and other periglacial phenomena were identified.
在该地区发大量小型冻胀丘、石环等冰缘存在。
A prismatoid having polygons with the same number of sides as bases, and faces that are parallelograms or trapezoids.
四个边相等平行四边形；不是直角等边平行四边形。
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问题，欢迎向我们指正。
