查询词典 superposition principle

In light of the problem of describing nonlinear rheology of rock and soil with principle of linear superposition, a neural network model for rheology of rock and soil under step loading has been established with artificial neural network instead of traditional mathematical and mechanical methods.

针对分级加载下用线性叠加原理来描述岩土非线性流变存在的问题，采用人工神经网络方法代替传统数学力学方法，建立了分级加载下岩土流变的神经网络模型，并且对具体岩石的蠕变试验曲线进行了模拟。

On the basis of regular wave transformation equation in a reference[1] incorporating comprehensively environmental current,nonlinear dispersion effect,rapidly varying topography effect,energy loss due to bottom friction,refraction and diffraction, the governing equations are derived for irregular multi-directional wave transformation incorporating multi factors according to the principle of superposition of linear wave and the wave directional spectrum theory.

1引言波浪在由外海向近岸的传播过程中，由于受到复杂地形、障碍物和水流等因素的影响，波浪传播将发生变形。文献[2]对描述波浪在近岸传播变形的各种数学模型方法做了较为全面的、系统的回顾和总结。

Furthermore, by using the principle of superposition the expression of tangential stress in concrete can be analytically deduced. Finally, by considering the Faraday's equation the expression of concrete failure due to rebar corrosion is obtained.

进一步的利用电化学中的法拉第定律，得到了双向加载条件下，钢筋锈蚀致混凝土起裂的时间的表达式。

Then,in accordance with the principle of superposition and transformation operators,the three-particle entangled W state is expanded by Bell bases and the teleportation can be realized. The relation of transformation operators with unitary operation is discussed.

然后由波函数的叠加原理与算符变换出发，将体系的总量子量按照Bell基展开实现量子隐形传态，给出了变换算符与实际操作算符之间的联系。

In the chapter 2, based on elastic mechanics and variation principle, the fundamental and process of static and dynamic FEM is presented, placing special emphasis on the modal superposition method.

第二章根据弹性力学和变分原理，系统总结了有限元法求解静力学、动力学问题(包括特征值、动力响应问题等)的基本原理和步骤，并重点对模态叠加法求解动力，响应问题作了阐述。

Based on the principle that a spatial distributed source can be regarded as superposition of many of point sources in a continuous spatial area, an Electro-Magnetic Vector Sensor model is proposed. Theoretical analysis and the 1 order approximate expression are given. The model's identifiability is also discussed.

本文通过&分布源是在一定空间分布的多个点源信号的迭加&的认识，首次提出了电磁矢量传感器的分布源模型，给出了理论表达式和一阶近似表达式，分析了单个电磁矢量传感器的分布源模型的可辨识性问题。

Based on the principle that a spatial distributed source can be regarded as superposition of many of point sources in a continuous spatial area, an Electro-Magnetic Vector Sensor model is proposed. Theoretical analysis and the 1 order approximate expression are given. The model's identifiability is also discussed.

本文通过&分布源是在一定空间分布的多个点源信号的叠加&的认识，首次提出了电磁矢量传感器的分布源模型，给出了理论表达式和一阶近似表达式，分析了单个电磁矢量传感器的分布源模型的可辨识性问题。

The use designs the digital cocurrent current supply and the probe head removable intelligence magnetic field measuring instrument to the Helmholtz coil magnetic field key point is the spool thread magnetic field strength survey, drew up the actual field intensity and the theory field intensity graph, has confirmed the magnetic field principle of superposition.

利用所设计出来的数字直流电流源与探头可更换的智能磁场测量仪对亥姆霍兹线圈磁场重点是轴线磁场强度的测量，绘制出了实测场强与理论场强的图表，验证了磁场叠加原理。

Besides, seakeeping motions in regular waves are calculated by nonlinear strip theory, and that in short-crested irregular waves are evaluated by applying the principle of linear superposition. Evaluated seakeeping motions then added into the simulated maneuvering motions in short-crested irregular waves.

耐航运动部分则是在前述操船引致的纵移、横移、平摆及横摇运动之外，利用非线性截片理论，计算在规则波中的运动反应函数，并依据线性叠加原理，计算其在短峰不规则波浪中的船体运动量，予以附加，以达成在短峰不规则波中的操纵运动模拟计算功能。

Based on the principle of energy superposition and by using the equivalent transformation for beam sections, an expression for calculating the energy releasing rate of interface crack growth in a sandwich beam specimen is developed, and the toughness for the interface of Si 3N 4/Al formed by vacuum diffusion method is measured by a particularly designed four point bending test system.

基于能量叠加和梁的等效截面转换原理，本文导出了计算Sandwich梁试样界面裂纹扩展能量释放率的解析式，并利用专门设计的四点弯曲实验系统测得了Si3N4／Al真空扩散连接界面的韧性，进而为优化陶瓷／金属连接工艺、筛选材料组配和评价其连接界面的抗断裂性能提供了必要的研究方法和实验手段。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失