The method which has definite physical meaning, can change fault diagnosis model to adapt to the variability and uncertainty of the plant by learning the fault diagnosis err.

该方法物理意义明确，可以通过对故障诊断误差的学习，实时修正故障模型，实现对不确定性和慢时变性对象的鲁棒故障诊断。

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But in practice, the variability of the standard is hard to definite, so it is criticized by the citizens.

但是，在实践中，这一标准的各项变量常常难以确定，因此，也招致了很多的批评。

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But in practice, the variability of the standard is hard to definite, so it is criticized by the citizens.

但是，在实践中，这一标准的各项变量常常难以确定，因此，也招致了很多的批评。

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