Place a sheet of paper on a horizontal table and put a cylindrical object (e. g. a pencil) on the paper.

在水平桌面上放置一张纸并在纸上放置一个圆柱形物体。

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To solve the problem about the infrared radiant temperature field of a cylindrical object, the cylindrical temperature field in a two-dimensional space is studied.

为了解决圆柱形物体的红外辐射温度场问题，对二维空间中的圆柱温度场进行了研究。

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While it's difficult to visualize a five-dimensional object in our three-dimensional space, black strings would be cylindrical, researchers said.

研究人员说，虽然我们很难想象在三维空间里可以看到五维的物体，可是黑弦将会是圆柱形的。

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"Basically,it's an underwater balloon. You've got two parts to it: You've got the balloon here - which is this long cylindrical object - and that's filled with a lighter-than-water substance, which is aviation gasoline."

VOA: standard.2010.06.21