初双折射或被冻结的双折射，可用一个等效或有效应力状态来代替。
The initial or frozen-in double refraction is replaced by an equivalent or virtual state of stress.
结果表明，用火花电阻等效亚纳秒脉冲放电管击穿后的状态是合适的。
It is shown that after the HVSPDT breakdown its status can be equivalent to the spark resistance.
因此，本文对基于等效电流量测变换的电力系统状态估计算法进行了研究分析。
Therefore, state estimation algorithm based on the measurement transformation of the equivalent current is studied in this paper.
根据固态噪声二极管在雪崩击穿状态的等效电路，设计出与之匹配的电路结构，以实现超噪比的最大输出。
For maximum exceed noise ratio generated, circuit structure to match the equivalent circuit diagram of the solid-state noise diode in avalanche breakdown state has been designed.
建立了该系统的完整非线性等效模型，导出了系统的状态方程。
Both the perfect equivalent nonlinear model and state equations of the system are obtained.
本文研究了微重状态下任意旋转对称容器内液体晃动力学问题，分析给出了液体晃动的等效力学模型。
The sloshing dynamics of an arbitrary axisymmetric rigid tank is investigated under low-gravity conditions, and an equivalent mechanical model theory is analyzed in this paper.
通过引入三种临界等效膜应变，对屈曲、塑性和塑性失效三种临界动力状态进行了定义，根据定义获得了每个试件的临界值。
The plates exhibit three different critical conditions: bucklin'g, plastic incipience and plastic collapsing. The conditions are defined by three kinds of critical equivalent membrane strains.
通过分析开关变换器的最危险故障状态，得出了判断其内部本质安全的等效电感电路。
The equivalent inductive circuit of switching converters for checking its inner-intrinsic safety is obtained by analyzing the most dangerous case in various operating mode.
对厚度伸缩压电陶瓷振子的振动状态进行了分析，并得到其等效电路。
The vibration behaviour of piezoelectric ceramic resonators with thickness expansion mode is analyzed and its equivalent circuit is obtained.
因此，单就其变形的后果而言，湿陷性黄土在一定应力状态下的浸水增湿与对黄土施加附加力荷载有等效作用。
Hence, as for as the result of its deformation is concerned, collapse loess upon wetting at a state of certain stress is equivalent to that with applied extra load.
对于钢筋混凝土构件在正常使用状态下的截面应力计算，用传统的“等效截面法”计算十分复杂。
It was very complicated when taking the traditional equivalent section method to calculate the section stress of steel concrete structural unit under its normal working condition.
针对涡轮叶片处于复杂应力状态的情况，分别采用四种不同的等效应力合成准则参照对比，探索其合成方法。
We find the turbine blade is on the complicated stress status, so four different rules for achieving equivalent stress are used to contrast.
为此，讨论了斜拉索的非线性特征，建立斜拉索的状态方程，并介绍了几种常见的索模型及其特点，其中详细介绍了等效弹性模量法的原理。
Several common cable models and their features are presented, of which the principle of the equivalent elastic modulus method is described in detail.
利用等效热降法理论以及热力发电厂热力系统经济性状态方程的理论，采用经典优化方法对运行机组的热力系统进行结构优化。
Studying the structure optimization of the operating unit thermodynamics system with the classic optimization method, using the theory of equivalent enthalpy drop and state equation.
将三回路驾驶仪等效为全状态反馈的状态空间模型，证实了冗余参数预先设定的可行性。
The three-loop autopilot is transformed into state space model, and the feasibility of presupposition of some nuisance parameter is proved.
用不同的简单应力状态下的应力-应变试验曲线，可以得到不同的广义等效应力-应变关系。
Using experimental stress-strain curves in various simple stress states, generalized effective stress-strain formulae may be derived correspondingly in various forms.
屈光状态，即球镜度数、柱镜度数、等效球镜三组差异无统计学意义；
No statistic difference was found in refractive status, i. e. spherical, cylindrical and spherical equivalent degree among three groups;
引入尾流收缩比因子，并将大速度时的涵道等效为圆形机翼，建立了一个适合于直升机悬停和前飞状态涵道尾桨气动特性分析的动量理论方法。
The shroud at high speed is modeled as an elliptic wing in order to construct a momentum theory method to investigate the aerodynamic characteristics of ducted tail rotor in hover and forward flight.
引入尾流收缩比因子，并将大速度时的涵道等效为圆形机翼，建立了一个适合于直升机悬停和前飞状态涵道尾桨气动特性分析的动量理论方法。
The shroud at high speed is modeled as an elliptic wing in order to construct a momentum theory method to investigate the aerodynamic characteristics of ducted tail rotor in hover and forward flight.
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