[こうそくめいぼしきひれいだいひょうせい, kousokumeiboshikihireidaihyousei] (n) proportional representation electoral system (n which party votes are cast, and candidates from each party are elected based on an ordered list available to the public)
[しょうせんきょくひれいだいひょうへいりつせい, shousenkyokuhireidaihyouheiritsusei] (n) electoral system comprised of single-seat constituencies and proportionally represented multiple-seat constituencies
[せきはいりつ, sekihairitsu] (n) ratio of the margin of loss of an electoral candidate in a single-constituent district (used to break ties when determining the representative of a proportionally represented district)