election region division的用法和樣例：
例句
- Local watchdogs have decried irregularities in voter registration ahead of the election and in demarking constituencies.
地方監察人員就已經在選舉前譴責了投票人登記系統上與選區劃分問題上出現的不規則情況。 - Then a redistricting election model is proposed and an aim directed algorithm is established to cope with the model.
利用公平性原則和廣度優先搜索方法，獲得一個選區劃分模型和一個求解該模型的定向目標演算法。
