估算/费用估算：estimate/cost estimate; 估算类型：types of estimate; 详细估算：是偏差幅度最小的估算，defined estimate; 设备估算：equipment estimate; 分析估算：analysis estimate; 报价估算:proposal estimate; 控制估算：control estimate; 初期控制估算：interim control estimate/initial control estimate 批准的控制估算：initial approved cost 核定估算：check estimate 首次核定估算：first check estimate