open surface

基本解释

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。
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。
A series of experimental studies are carried out to investigate the propagation of an open surface-flaw in gabbro samples under compression load.
采用含张开型表面裂隙辉长岩试样，对单轴压缩荷载作用下预制裂隙的破裂模式进行一系列试验研究。

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

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
Storm surge: a rise in the sea surface on an open coast, often resulting from a hurricane.
UNESCO: L O S S A R Y
Adding iron or other nutrients to surface waters in the open ocean is a process known as Ocean Fertilization.
UNESCO: MEDIA SERVICES