谐波所产生的室间隔缺损，可以有一个作用，对配电系统和公用工程系统。
Harmonics produced by the VSD can have an effect on the electrical distribution and the utility system.
公用工程系统优化综合对于过程工业能源节约、提高经济效益具有重要意义。
The synthesis and operation optimization of utility systems are very important to process industry to save energy and get economic profit as much as possible.
具有10年以上工作经验，且至少3年以上公用工程系统和工程项目管理的经历。
Minimum 10 years work experience, with at least 3 years of utilities system and project management.
本文采用数学规划这一强有力的工具对公用工程系统能量综合和最优设计方法进行研究。
The paper studies methods of utility system energy synthesis and optimum design by using mathematic programming, which is an effective tool.
本文采用数学规划这一强有力的工具对公用工程系统能量综合和最优设计方法进行研究。
The paper studies methods of utility system energy synthesis and optimum design by using mathematic programming, which is an effective tool.
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