大多数人的脸不对称。

Most people's faces are asymmetric.

《牛津词典》

这种双侧不对称开始出现在青少年发育的第六阶段。

This bilateral asymmetry begins to appear in the juvenile sixth stage of development.

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货币的上行和下行压力并不对称。

Downward and upward pressures on a currency are not symmetrical.

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So, doing those probability density dot graphs, we can get an idea of the shape of those orbitals, we know that they're spherically symmetrical.

概率密度点图上,我们可以对这些轨道的形状，有个大概了解,我们知道它们是球，对称的,我们今天不讲。

麻省理工公开课 - 化学原理课程节选

This stem cell which is reproduced still has the potential to undergo asymmetric division but this one does not.

新生成的干细胞,仍然有潜能进行不对称分裂,但定向祖细胞就不行

耶鲁公开课 - 生物医学工程探索课程节选

So, somehow we have to figure out a way to take orbitals that are non-symmetric, and convert them into orbitals that are symmetric.

所以有时我们需要找到一个方法,让不对称的轨道，转变为对称的轨道。

麻省理工公开课 - 固态化学导论课程节选