instabilities
n. （形势的）不稳定；（行为、情绪等的）不稳定状态，变化无常
复数 instabilities
例句
Gross flow instabilities are damped and remain small.
总体流动的不稳定性受到阻抑并且很小。
This and other instabilities in her character prompted the Jedi Council to end her training.
再加上她性格中的诸多不稳定因素，绝地委员会决定终止她的训练。
Results showed that flutter instabilities would not occur for the ITP with only one degree-of-freedom.
研究表明仅有竖弯自由度或扭转自由度的平板不可能发生单自由度颤振。
