网络释义专业释义英英释义
公布 中文名称：永久积雪 英文名称：firn 定义：在高纬或高山降雪量多于融雪量的地区所长期积存的雪。 应用学科： 大气科学（一级学科）； 气候学（二级学科） 永久积雪是由大气固态降水形成的覆盖在
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firn line 永久雪线 ; 陈年雪线 ; 万年雪线 ; 粒雪线
firn field [水文] 永久积雪原 ; 陈年雪场 ; 万年雪场
firn basin 粒雪盆地
firn wind 冰川风
firn limit 陈年雪限 ; 万年雪极限 ; 粒雪线
firn snow 陈年雪 ; [水文] 粒雪 ; 万年雪 ; [水文] 陈雪
firn ice [水文] 冻雪冰 ; 陈年冰 ; 粒雪冰
iced firn 冻陈雪 ; [水文] 冻结粒雪 ; 粒雪冰
line of firn 永久积雪线
Firn
- abstract: Firn (; from Swiss German "last year's", cognate with before) is partially compacted névé, a type of snow that has been left over from past seasons and has been recrystallized into a substance denser than névé. It is ice that is at an intermediate stage between snow and glacial ice.
以上来源于: WordNet
柯林斯英汉双解大词典
firn /fɪən/
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1.
N → another name for névé
双语例句权威例句
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With additional time, pressure, and refrozen meltwater from above, the small firn granules become larger, interlocked crystals of blue glacial ice.
随着时间的推移，压力的增加，再加上从上方重新冻结的融水，小冰原颗粒成为相互锁结的大晶体蓝色冰川冰。
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With further melting, refreezing, and increased weight from newer snowfall above, the snow reaches a granular recrystallized stage intermediate between flakes and ice known as firn.
随着进一步的融化、再结冰，以及上方新的降雪增加的重量，这些雪变成再次结晶阶段的颗粒状中间物，介于小薄片与冰块之间，被称作万年雪。
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Until water flowed through the tether, the team could not tell if the meltwater was draining into the firn or accumulating around the drill, which could freeze the borehole shut.
在水尚未流经缆绳前，研究团队无法确定，融化的水是会流入粒雪中，还是会聚积在钻头的周围。如果是后者，将会使凿孔因冻结而封闭。
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