Oh, and we also have a death ray on the roof of building 17.

噢，在我们17栋楼顶上还有死光。

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The design of lightning protection of outdoor gas pipeline installed on the roof of building is discussed.

探讨了安装在建筑物屋顶上的燃气管道的防雷设计。

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The mesh extends up and over the roof of building covering a garden on top. Balconies between the two facades wrap the entire building to create a curved outline.

网状物向上延伸并覆盖在建筑物顶部花园的屋顶上。两个外墙之间的阳台包裹整个建筑物，形成一个弧形的轮廓。

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But the City of Indianapolis came to the rescue. It bought the theater building in the 1980s and leased the Roof Ballroom to a developer, who not only fixed it up but installed what it called a scene machine to add more moody sky effects like synthetic snowfall.

VOA: standard.2010.02.25

Now this is a rain gauge, and it's sitting on a roof of a building, and when the water falls into this gauge, it sends a signal to the logic unit of the computer, which immediately notifies the memory bank of the computer to seek out its instructions for a rainy day.

这是一个雨量测量器，安装在一个楼房的,屋顶上，当水流入到这个测量器，它就给计算机的逻辑部件发送一个信号，计算机立即通知内存条,为下雨天找出相应的指令。

哈佛公开课 - 计算机科学课程节选

The roof of building partially collapsed.

WSJ: Fire Damages Pratt Building

Though the proposed solar panels were eliminated, the roof of the circular building cantilevers out to shade the east wall of glass.

BBC: The futurist: The sustainable Spaceport America

The lid of a pressure cooker has been found on the roof of a building on Boylston Streets.

BBC: Forensics investigators decode the Boston bombings