Activity Driver是什么意思啊？谁给我说下

activity driver
作业动因;
双语例句
1、The fifth step is to calculate the distribution ratio of the activity driver and distribute the activity cost to different objects of cost calculation.
计算作业动因分配率，将作业成本分配至不同的成本计算对象。
2、The selection and combination of activities and activity drivers; The fifth step is to calculate the distribution ratio of the activity driver and distribute the activity cost to different objects of cost calculation.
作业与作业动因合并的案例与理论研究计算作业动因分配率，将作业成本分配至不同的成本计算对象。
3、At the stage of design, based on target cost management, this paper use activity driver analysis to improve and analyze cost, and combining with value engineering to make the design cost control within target cost.
在设计阶段，以目标成本法为基础，通过作业动因分析，进行成本改进与分析，并结合价值工程方法，使设计成本控制在目标成本之内。