Westminster City Council has granted a 12-month licence for the statue and its Portland stone plinth.

威斯敏斯特市议会授予为雕像和其波特兰底座的12个月的许可证。

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To solve above-mentioned problem, this paper mainly researches on the fillers such as lime stone fines, fly ash, Portland cement, slag-powder and hydrated lime.

针对以上问题，本文在借鉴国内外相关研究成果的基础上，对两种石灰岩矿粉、粉煤灰、水泥、矿渣粉及石灰等填料进行了系统的研究。

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Portland cement is a material that holds together the sand and crushed stone in concrete.

VOA: special.2009.12.01

The eight-storey building will have a Portland stone facade and will be run by theatre operator London Aloft.

BBC: New theatre for London's West End

About 1, 750 tonnes of Portland stone was sunk off Weymouth in May last year to form a sanctuary for lobsters.

BBC: Barge with Portland stone

Portland stone, mined in the south western county of Dorset, was used by Sir Christopher Wren to rebuild St Paul's Cathedral between 1675 and 1710.

BBC: Stone exhibit on a roll