The two steel beams that support the upper roof are supported by only two points - the existing road and the column that rises at the bottom of the site.

支撑屋顶的两支钢梁仅由两点支撑——已有的路边和从基地地面抬升出的支柱。

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The comparison between wind action only on the upper roof surface and both on the upper and lower roof surfaces, shows that the latter condition is more advantageous.

比较了仅考虑上表面风荷载作用和同时考虑上下表面风荷载作用对结构的影响，结果显示前一种情况对结构更为不利。

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Seats on the upper deck of a London bus are seen open to the elements after the bus had its roof blown off in Eversholt Street, London, Thursday, July 7, 2005.

2005年7月7日，星期四，伦敦，在埃弗肖特街的爆炸过后，双层巴士上层的作为因车顶被炸翻而暴露在空中。

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Neighbors said Mr. Holmes spent at least some of his childhood in a two-story, cream-colored house with a Spanish tile roof in an upper-middle-class San Diego neighborhood.

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The upper flashing lights are integrated into the roof panel, eliminating the need for a bolted-on light bar that causes aerodynamic drag -- reducing fuel economy -- and can lead to rust.

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From the upper floors, a programmer could see, in the distance, the pagoda roof of the main hall of Tofuku-ji, an eight-hundred-year-old Zen temple, rising over the trees at the edge of town.

NEWYORKER: Master of Play