此外，文中两个定理还可解决两大类问题的线性和非线性计算不稳定性问题。
Besides, the two theorems can also solve two large categories of problems about linear and nonlinear computational instability.
利用频响函数识别复频率模态质量存在着严重的数值计算不稳定性，给物理参数的识别造成困难。
The severe numerical instability in complex frequency modal mass identification from frequency response function makes it difficult to identify physical parameters.
本文用环形不稳定性计算模型计算、分析了FY - 20液体火箭发动机的切向高频燃烧不稳定性。
This paper presents computation and analysis of tangential mode of high frequency combustion instability in FY-20 liquid propellant rocket engine by means of the annular instability model.
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