因此对配电系统进行可靠性和经济效益评估是十分必要的。
Therefore, it is very necessary to evaluate reliability and economic worth of distribution power system.
通过经济效益评估，加氢精制工艺明显优于白土精制工艺。
By evaluating economic profit, hydrofining obviously prefer to clay refining.
确定一合并案是否有上述效果则需要彻底的经济效益评估和市场调查。
Determining whether a merger will have that effect requires a thorough economic evaluation or market study.
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