irregular particle

例句：

1. 1.The geometry of the irregular polygonis difficult to calculate.
   不规则多边形的几何形状难以计算。
2. 2. The irregular growth patternof the plant is a result of itsnatural habitat.
   植物不规则的生长模式是其自然栖息地的结果。
3. 3. The irregular distribution ofresources in the region has led to economicdisparities.
   该地区资源的不规则分布导致了经济差距。