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1·The high absorption energy makes ground water in air containing zone move towards the freezing layer and produce seasonal frozen perched ground water.

它具有很强的吸附能凝聚水分，使包气带水和潜水从液态、汽态向冻结层迁移富集，形成季节性固态地下水。

2·The perched stream is the river whose bed is apparently higher than the land side ground of the river wall and whose water level is higher than both side grounds all the year round.

悬河是指河床明显高于河流堤防背河侧地面的河，其水位常年高于两岸地面。