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The study appears in the journal of geophysical research .

这项研究发表在地球物理研究杂志。

It was presented tonight at the american geophysical union meeting in san francisco .

它是今晚在旧金山的美国地球物理联合会会议上发布的。

The first polar base was established in 1957 , during the international geophysical year .

首座南极科考基地建于1957年，当时正值国际地球物理学年。

He presented his findings at a meeting of the american geophysical union in san francisco last month .

上个月咯曼在旧金山召开的美国地球物理联盟会议上介绍了他的发现。

The voyager team presented their findings at the american geophysical union conference in san francisco this week .

旅行者号团队本周在圣弗朗西斯科的美国地球物理联盟会议上展示了他们的发现。