A simple and infallible capital cash flow method which may improve the efficiency greatly in business evaluation is proposed here in the paper.

现行的企业估价方法大都存在计算工作量大、易出差错等缺陷，作者介绍一种计算简单、不易出错的资本现金流量法，可以大大提高企业估价工作效率。

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It was pointed out that redox flow batteries, which possess advantages of low capital cost, high energy efficiency and long lifetime, were the most promising commercial technologies.

介绍了各种储能方式及其特点，综述了大型储能技术的研究开发状况，其中氧化还原液流电池具有成本低、效率高、寿命长等优点，商业化前景看好。

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