这是胎儿形成过程中令人疑惑的挑战之一：在胚胎成长过程中，这种对称和不对称的组合是如何进化出来的？
It is one of the intriguing challenges of foetal development how this combination of symmetry and asymmetry evolves as an embryo grows.
通过不规则和不对称来控制组合的平衡，是禅宗美学的中心思想。
The idea of controlling balance in a composition via irregularity and asymmetry is a central tenet of the Zen aesthetic.
研究一类相似组合大系统，系统的互联项不对称且不满足匹配条件。
A class of similar composite systems is discussed, and the interconnections in such systems may be asymmetrical and mismatched.
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