在医院综合效益评价中，独立性权数是反映某些指标间重复信息量大小的一个重要指标。
Weight of independence is an index which could be used to indicate the information overlapped between the evaluating variables in the comprehensive benefit evaluation of hospital.
本文着重研究农村电气化的社会经济环境效益多指标综合评价方法。
This paper studies the multi-indices comprehensive evaluation method for social, economic and environmental benefits of rural electrification.
依照盈亏平衡点通过综合计算，对矿体的临界品位进行确定，获得较好的经济效益和各项指标。
According to the balance point of profit and loss, better economic benefits can be got with the ascertain of Critical-grade calculated generally.
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