In the Tianshuihai area, small pingos, unsorted circles, sand wedges and polygons, and other periglacial phenomena were identified.
在该
现大量小型冻胀丘、石环等冰缘现象
存在。
；[计]未排
;
疮;
排列
;;;, 无组织;In the Tianshuihai area, small pingos, unsorted circles, sand wedges and polygons, and other periglacial phenomena were identified.
在该现大量小型冻胀丘、石环等冰缘现象存在。
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