unstable region

英 [ʌnˈsteɪbl ˈriːdʒən]

美 [ʌnˈsteɪbl ˈriːdʒən]

网络  不稳定区; 范围; 非稳区

电力

双语例句

• Numerical results showed that the flow speed made the frequency lower, and there exist an unstable region when the flowing speed reached a critical value, two types instabilities may exist in the area, one is buckling and the other is flutter.
  计算结果表明：流速使特征频率下降，当流速达到某一临界值时，存在一个不稳定区，在该区域内两种失稳的可能性都存在；
• The unstable region shows the potential of the economic downturn to inflame simmering tensions.
  该地区动荡不安表明，经济低迷可能会引爆蓄势已久的紧张局势。
• The use of lower dimensionless integrated coefficient and moderate dimensionless support damping coefficient and/ or higher dimensionless rotor external damping coefficient can decrease the unstable region.
  采用较低的无量纲综合系数和适当的无量纲支承阻尼系数和／或较大的无量纲转子外阻尼系数可以缩小失稳区；
• Unstable region and bifurcations and chaos in single-mode bistable optical systems
  单模光学双稳系统的不稳定区整体分布及分岔与混沌
• The whirling frequency in the unstable region increases with increase on fluid viscosity or rotational speed, but decreases with increase on fluid volume.
  转子的涡动频率随转速或流体黏度的增大而增大，随充液量的增大而减小。
• Amplitude-frequency characteristic of the rotor is calculated in film unstable region, which verifies that the width and the amplitude of the region is limitary.
  通过计算转子在油膜失稳区的幅频特性，证明了失稳区的宽度和幅度都是有限的。
• The results confirm that the film unstable region of the bearing system has a bound, it means there is a new stable region called the upper stable region above the traditional unstable region.
  研究结果证实：弹性支承滑动轴承系统的油膜失稳区具有上限，即在通常的失稳区上方存在一个新的稳定区，本文称它为上稳定区；
• The variable process of the unstable vibration and the unstable whirl frequency can be clearly seen in the spectral map versus rotating speed of the rotor when it runs down through the unstable region.
  由穿越失稳区的三维转速谱阵图可以清楚地看到转子失稳振动的变化过程和失稳涡动频率等特征，从而为理论分析提供了良好的试验佐证。
• However, in the high temperature unstable region, negative temperatures (-0.18℃) first occurred at the bottom of pile after 18 days.
  高温不稳定多年冻土区天然地温较高，桩身混凝土浇筑18d后，桩身首先在桩底处出现负温（-0.18℃）。
• Based on the waterpower characteristics of pumped storage power units, the unit control sequence is researched and improved, so as to avoid the unstable region, improve the stability of unit operation and reduce the reverse power.
  文中根据抽水蓄能机组的水力特性，对机组控制流程进行研究和优化，以尽可能避开运行不稳定区域，提高机组运行的稳定性，并减少逆功率。