proportional representation
noun [ U ] uk/prəˌpɔː.ʃən.əl rep.rɪ.zenˈteɪ.ʃən/ us/prəˌpɔːr.ʃən.əl rep.rɪ.zenˈteɪ.ʃən/ (abbreviation PR)
比例代表制（各政党按其所得票数在议会中取得议席的选举制度）
a political system in which parties are represented in parliament according to the number of people who voted for them