作为一个例子，还讨论了弱重力场情况下激发流动重力模不稳定性的临界条件。
As an example, the critical condition for the streaming gravity mode instability is discussed in a weak gravitational field.
用低杂波的可近性条件、参量不稳定性条件和功率耦合谱分析了低杂波电流驱动（LHCD）。
The conditions of wave accessibility and parameter decay instability are used to analyse the density limit in LHCD.
在适当的条件下，重力波能触发交换不稳定性。
It is shown that the gravity waves can initiate the interchange instability under some conditions.
这样，从根本上解决了高温高矿化度条件下普通部份水解聚丙烯酰胺调剖体系的不稳定性问题。
Thus the instability of HPAM profile control system on the condition of high temperature and salinity can be solved favorably.
机械的不稳定性和崩塌块石的溶蚀搬运以及二者之间的相互作用是喀斯特区大型塌陷构造的发育条件。
Development of large collapse structures in karstic terrain requires an interaction between mechanical instability and chemical removal of collapsed rock.
对摇摆运动条件下的自然循环两相流动不稳定性进行实验研究。
Natural circulation flow instability under rolling motion conditions was experimentally studied.
利用数值模拟，研究了不同条件下赤道电离层等离子体交换 不稳定性的演变和扩展F不均匀体的形态。
We have performed numerical simulations of nonlinear evolution of plasma interchange instability in equatorial spread F (ESF) under different conditions.
通过谱线强度的相对变化，对装置的稳定运行条件和等离子体的破裂不稳定性进行了分析。
The stable operation condition and disruption instability on the HL-1 are analyzed from the variation of relative intensities of the lines.
从理论上得到光学不稳定性的条件；利用SPW观察到自脉冲、分叉及混沌等光学不稳性现象。
Theoretical calculation for prediction of optical unstability by SPW has been obtained and some experiments were carried out, optical unstability of self-pulsing, bifurcation and chaos were observed.
从理论上得到光学不稳定性的条件；利用SPW观察到自脉冲、分叉及混沌等光学不稳性现象。
Theoretical calculation for prediction of optical unstability by SPW has been obtained and some experiments were carried out, optical unstability of self-pulsing, bifurcation and chaos were observed.
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