Limited surface area.

有限的表面区域。

Japan, though small in surface area, stretches far.

日本的表面面积虽然不大，但是却延伸到很远。

That stands for the surface area element on this surface.

它表示曲面上的面积元素。

The surface area ... which you can scratch or break has basically doubled.

基本上，外壳部分留下刮痕或者破裂的可能性增加了一倍。

The huge surface area of activated charcoal gives it countless bonding sites.

活性炭巨大的表面积提供了大量的活性位点。