When a reservoir is sufficiently large, a sphere of this hot rock forces its way up through the upper mantle to Earth's surface, creating a broad bulge in the topography.

当储层足够大时，这种炽热岩石的一个球体强行通过上地幔上升到地球表面，在地形上形成一个宽阔的隆起。

youdao

Objective: To evaluate the influence of denture material and its surface roughness on retention of upper complete denture .

目的：评价全口义齿基托材料及其表面粗糙度对义齿固位的影响。

youdao

The total surface area of both upper air bags (8, 9) and their total volume when inflated are less than the surface area of the lower air bag (7) and its volume when inflated, respectively.

两上侧空气袋（8、9）的总表面积和膨胀时的总体积分别比下侧空 气袋（7）的表面积和膨胀时的体积小。

youdao

One day, they found an irregularly shaped stone, about the size of a tea tray, its upper surface pitted with small hemispherical holes.

NEWYORKER: The Sanctuary