To plan and allocate resources to optimize cost effectivenessofoperation and maximize efficiency.
计划和分配各种资源，以达到运营成本的优化使用，并将效率最大化。
2
The engineering project is the construction enterprise effectivenessofoperation source and the cost control center.
工程项目是施工企业经营效益的源头及成本控制的中心。
3
The telephone network is perhaps the largest example of a system made up of interconnected systems, and its continual operation is a testament to the effectivenessof such systems.