activity job活动作业activityn.活动；活跃vt.表演adj.厉害Activity of Mass lecture群众性演讲活动activity cost management作业成本管理activity sludge quantity污泥量Activity Vector Analysis活动矢量分析activity mixing material活性混合材料activity of anti-tumor抗肿瘤活性activity based budgeting以活动为基础的预算案Activity of lipoxygenase脂氧合酶活性activity of mantle plume地慢热柱活动Activity Processing Code工作过程代码