activity job活动作业activityn.活动；活跃vt.表演adj.厉害activity-based model行为模型activity based costing基于活动的成本核算activity breaking rate工序间断率activity product ratio活度积比activity of earthquake地震活动性Activity of PC - PLC磷脂酰胆碱特异性磷脂酶C活性activity-based budget作业基础预算Activity-basedCosting作业成本法activity costmanagement作业成本管理activity costing method作业成本法