Electoral is used to describe things that are connected with elections.
例句
The Mongolian Democratic Party is campaigning for electoral reform.蒙古民主党正发起运动争取选举改革。...Italy's electoral system of proportional representation.意大利比例代表制的选举体制
英汉词典释义
adj.
选举的;选举人的
Japan’s electoral system of multi-member constituencies日本实行的多议席选区的选举体制It is difficult to reach a consensus about electoral reform.要就选举改革达成共识很困难。It is undemocratic to govern an area without an electoral mandate.没有选民授权就统辖一个地区是不民主的。