Their small, soft hands were thought ideal for delicate jobs such as knotting threads, dozens to each square centimetre, in carpet-making.

她们小巧柔软的手被认为是做精细工作的理想人选，比如编织地毯时，比如每平方厘米打几十根线。

A square centimetre contains about 100bn of them, all standing to attention. That greatly increases the surface area available to hold an electric charge.

每平方厘米大约有1000亿条管子竖着立正，这大大增加了可容纳电荷的表面积。

Recent batches have withstood pressures of 380kg per square centimetre—more than some conventional concretes can tolerate.

最近的批次已经承受了每平方厘米 380 公斤的压力——超过了一些传统混凝土所能承受的压力。

At high speed in slippery bends they provide only a few square centimetres of contact with the road, yet they help a driver steer safely around the corner.

当在光滑的弯道上高速旋转时，它们与路面的接触面积仅有几平方厘米，却可以帮助司机在过弯处进行安全操控。

He was looking up into the single empty black eye that didn't care about him one way or the other, but was only interested in which square centimetre of his envelope it would open first.

他抬头看着那只空洞的黑眼睛， 那只眼睛并不关心他，只关心它会先打开他的哪一平方厘米的信封。