assumptionn.假定；设想；担任(职责等)；假装assumption of life cycle生命周期假定assumption about humanity人性假设assumption of personality人格假设Assumption of new identity承担新身份assumption of a succession干涉继承assumption of economic man“经济人”假设assumption of indifference装作冷淡的样子assumption of social people社会人假设Assumption of Plane Section平截面假定assumption of target motion目标运动假定