为了避免这样的误差，可以采用文中推荐的基于复振型的完全平方组合(CCQC)方法。
In order to avoid such errors, adopting complex complete quadratic combination (CCQC) method based on complex modes is a good solution.
说明了用低阶振型和经优选后的振型向量结合的方法进行组合结构、框架结构损伤诊断的可行性。
Which showed the fassility of using low order frequency and certain mode of vibration or their deriv…
应用推荐