现在，考古学家断定这些建筑物是在几百年间陆续建成的。
Until now, archaeologists had assumed that these were built over the course of centuries.
交易将最终建成欧洲最大型的陆风能源设备；两公司都是清洁及可循环能源行业的巨头，该能源包括太阳能和潮汐能。
The deal will eventually create Europe’s biggest operator of offshore-wind energy; both companies are big in renewable and clean energy, including solar and tidal power.
1993年，梵蒂冈最先进的望远镜在美国亚利桑那州的格雷厄姆山上完全建成，这被许多人认定为美洲大陆上最先进的天文台。
In 1993, the Vatican's Advanced Technology Telescope was completed on Mt Graham in Arizona, and is regarded by many as the best astronomical site in the continental US.
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