The finding is in the journal GSA Today, published by the Geological Society of America.

这项研究已发表在美国地理科学协会主办的《今日地理学》期刊上。

Modern technology, including satellites, means lighthouses are no longer required for navigation, said John Kelly of GSA.

联邦总务署的约翰·凯利表示，包括卫星在内的现代技术的发展意味着人们不再需要灯塔导航。

The GSA has been changing ownership of lighthouses since Congress passed the National Historic Lighthouse Preservation Act in 2000.

自2000年美国国会通过《国家历史灯塔保护法》以来，联邦总务署一直在转让灯塔的所有权。

But the post also said that he had advised the GSA official and her team, as well as his own, to carry out usual transition duties.

但是特朗普在推文中也表示，他已经建议墨菲及其团队，以及他自己的团队履行常规的过渡时期的职责。

They're partnering with the U.S General Services Administration or GSA, the agency in charge of federal buildings to see if any of these setups represent the office of the future.

他们正在与美国总务署（GSA）合作，GSA是负责联邦建筑的机构，看看这些设施中是否有代表未来办公室的。