n.对称(性)；匀称；整齐
These values constitute the symmetry waveform. 有这些数据来构成对称波形。
Many stems and roots show radial symmetry. 很多的茎和根都是辐射对称的。
This addition may interfere with the symmetry of the layout. 这么一加，会破坏整个布局的匀称。
Both are esthetic and depend much on symmetry. 两种活动都要求美感和匀称性。
n.不对称
轴对称
