线损是供电系统的重要指标之一，它直接关系到企业的经济效益、经营管理水平及其他各项电能质量的高低。
The line loss, which is one of the important indexes of the power-supply system, possesses direct influence on enterprise's economic benefit, operation level and all other electric power indexes.
大学经营始终存在着投入与产出的多元性和一定程度的不确定性、社会效益与经济效益的相互制约等经营管理的内在缺陷；
The inner limitations are always there in university management, such as the variety and uncertainty of devotion and achievement, the mutual restriction of both social and economic benefit, etc.
经济效益是经济工作的中心，企业经营管理水平高低亦以提高经济效益为其最高准则和基本要求。
It's our central task to gain economic benefits and the increase in economic benefits is also the highest standard and the essential requirement for measuring the level of business management.
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