But by staying in one place on the ice, the team have actually lost ground because the ice pan they are on is moving away from the North Pole.

由于考察队一直待在同一个冰盖上，实际上是在倒退步。

youdao

Since the plate fin and the drain pan are not in contact with each other, there is no such case that ice adheres to the contact portion and frost develops therefrom.

由于板翅片与接水盘不接触，故在接触部分不会附着有冰，可防止霜从附着在接触部分上的冰开始成长。

youdao

They also look very similar to the simulations coming out of Piomas (Pan-Arctic Ice-Ocean Modelling and Assimilation System), an influential computer model that has been used to estimate Arctic sea-ice volume and which has been the basis for several predictions about when summer sea ice might disappear completely.

BBC: Cryosat spots Arctic sea-ice loss in autumn