ap·por·tion·ment /-ʃənmənt/
 分配,分攤,分派
 Ap·por·tion·ment n.  The act of apportioning; a dividing into just proportions or shares; a division or shares; a division and assignment, to each proprietor, of his just portion of an undivided right or property.
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 apportionment
      n : the act of distributing by allotting or apportioning;
          distribution according to a plan; "the apportionment of
          seats in the House of Representatives is based on the
          relative population of each state" [syn: allotment, apportioning,
           allocation, parceling, parcelling, assignation]