firn line
基本解释
- 永久雪线；陈年雪线；粒雪线
词组短语
- firn -line zone 永久雪线
- firn line zone 永久积雪区
- firn line detail 万年雪线
- line of firn 永久积雪线
短语
英英字典
- the zone of a glacier between the lower region of solid ice and the upper region of nv, above which ablation occurs (Also called firn limit)
柯林斯英英字典
专业释义
- 永久雪线
- 粒雪线
- 万年雪线