同时，来自华盛顿大学在极地科学研究中心的研究指出，2010的的海冰体积为20,300立方千米，比1979年以来的最低记录减少了38%。

Meanwhile, research from the polar science centre at the University of Washington suggests that the volume of sea ice in March 2010 was 20, 300 cubic km, 38% below the 1979 level when records began.

youdao

虽然自20世纪90年代以来科学家对北极地下的甲烷及其泄漏的可能有所了解，但这项研究是首次记录到这个程度的文献。

Although scientists have known about the methane under the Arctic - and its potential for leakage - since the 1990s, the study is the first to document it to this degree.

youdao

虽然自20世纪90年代以来科学家对北极地下的甲烷及其泄漏的可能有所了解，但这项研究是首次记录到这个程度的文献。

Although scientists have known about the methane under the Arctic - and its potential for leakage -since the 1990s, the study is the first to document it to this degree.

youdao