这些因素的近似线性化虽然简化了分析过程，但所得结果可能与工程实际偏离较大。
The approximative linearization to factors, simplifying analysis process indeed, lead to the result that would possibly differ from the real fact.
但研究发现，在这种线性化过程中，包含了一种新的系统辨识思想，那就是在线实时建模一实时反馈控制校正的思想。
From the linearization procedure, a new approach of system identification that is on-line real time modeling and real time feedback control correction can be found.
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