Operation era经营时代operationn.操作；运转；经营；行动；手术；运算；生效；（复）运筹学Operation Duty Officer值班军官operation and checkout操作和检验Operation on mesentery肠系膜手术operation failing risk操作失败风险operation control unit运算控制器operation area of pump水泵运行区域operation architecture作战体系operation optimization运行优化Operation similartaxis趋同操作operation significance现实意义

1. A new method is proposed for analysis of oxygen-enrichment and pulverized coal injection using Rist operating line,which will be helpful to improve the injection operation.
   首先提出了一种适宜于分析富氧喷煤工艺的高温区热平衡计算法，然后又将其引入到操作线中，最后结合实例运用操作线分析了富氧喷煤后焦比的变化及其置换比。