考虑到所测的结构模态是不完备的，应用完备模态空间理论将未测的结构高阶模态用等效高阶模态来代替从而消除模态截断误差的影响。
Considering the incompleteness of measured structural mode shapes, the practical complete modal space theory is used to eliminate the influence of modal truncation error.
偏移电流是指在未施加信号时，被测电流在输出上产生的电流。
Offset current is the current generated by the circuit as measured at the output when no signal is applied.
在垂直于原始的(未形变的)层面量测的每层厚度，在岩层褶皱之后仍保持不变的岩石形变。
The deformation of rock layers in which the thickness of each layer, measured perpendicular to initial (undeformed) layering, is maintained after the rock layers have been folded.
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