收益现值法是进行资产评估的主要方法之一，但在具体应用方面尚有很多异议。
The method of present value of revenue is a main method of asset assessment, there are many arguments in concrete application of it.
在某些情况下，您会认为这很令人满意，但在某些情况下又并非如此，具体取决于您的特定应用程序。
You may find this desirable in some cases, but not in others, depending on your particular application.
现有六种油气田动态预测的灰色系统模型，但在实际应用中需要根据具体油气田选择适当的模型。
There are six grey models of dynamic prediction of oil and gas fields, but an appropriate model should be selected according to a certain oil or gas field in practice.
但在工程实践应用中，仍存在着一定的限制，对具体问题没有固定统一的算法来解决。
However, there is some limitation in practice. There is still no one algorithm which can adapt to solve all problems.
但在工程实践应用中，仍存在着一定的限制，对具体问题没有固定统一的算法来解决。
However, there is some limitation in practice. There is still no one algorithm which can adapt to solve all problems.
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