... 锚冰 anchor ice 封冻期 freeze-up period 封冻（封河） freeze-up ...
基于1个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
Freeze dates are defined as the observed period when a lake or river was completely ice-covered, and break-up dates as the last ice break-up seen before the summer open-water phase.
BBC: Ice records reveal warming trend
应用推荐
模块上移
模块下移
不移动