由于以上方法无法检测点、线目标，本文提出了一种新的参数估计方法。

For the lack of point target and line detection in the above mentioned methods, a new parameter estimation method is then introduced.

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但是，现实中经营过程设计能力与实际性能不一致的现象使得我们无法正确估计和预测经营过程性能参数， 妨碍了过程集成的有效实现。

But, the difference between design performance and practical performance of BP prevents us from monitoring and prediction, which impedes the implementation of process integration.

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