A proportional share, as of goods, assigned to a group or to each member of a group; an allotment.定额:一定比例的份额,如货物,分配给一组或一组中的每个成员;配给物A production assignment.分配额:生产配量The maximum number, especially of people, that may be admitted to a nation, a group, or an institution.限额:被招纳入一个国家、小组或机构所允许的最大数目,尤指人