Even temperature variations are limited to the open surface and would not exist underground.

甚至气温的变化也局限于露天地表，而在地下则不存在这种变化。

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The numerical solution of the shortest geodesic on open surface is given by spline function method, and computer drawing is discussed.

本文应用样条函数方法给出求解一般开曲面短程线的数值得的方法，进一步对计算机图形绘制进行了探讨。

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It is found in the survey that the sliding surface has a three segments form, including sliding surface of forward edge, drawing open surface of back edge and shearing surface of inter part.

考察中发现，滑动面具有前缘滑移面、后缘拉裂面和中间剪断面的三段式形态。

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But three of the four vents remain open,still spewing thousands of barrels of oil to the surface.

VOA: standard.2010.06.08

After taking it out of the oven, the pie should sit on an open surface for three hours to cool and continue to cook, Kimball said.

NPR: A Thanksgiving Meal From The Test Kitchen

The U.S. Open is his best surface so I think he will do it.

CNN: Tennis legends tip Murray for grand slam glory at U.S. Open

Instead, it will look like any silicon chip as found in computers but "with an open window on the surface that will allow chemicals to transfer in and to be sensed by the system, " explained Dr Pearce.

BBC: Scientists develop 'nose-on-a-chip'