apportionment

apportionment
noun
  1. [mass noun]the action or result of apportioning something
    分摊;分担;分派;分配
    an exercise in apportionment of blame.
    分担责任的做法。
    ■the determination of the proportional number of members each US state sends to the House of Representatives, based on population figures
    美国众议院中各州议员名额(按人口数字)的分配
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