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.
这种精确线性化不同于以往工程技术中常用的近似线性化方法，它在足够大的“区域”中是没有误差的。
This exact linearization is different from the approximate linearization which is often used in engineering, which is no error in a large enough area.
使用等效线性化技术与单模态近似得到响应的均方误差方程。
A response equation for the mean square deflection is obtained under a single mode approximation by using the equivalent linearization technique.
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