查询词典 excitation

Combining with the temporal and spatial distribution spatial distribution species radiation intensity,the detailed mechanism of the generation of laser induced species radiation was discussed, the continuous radiation comes from the Bremsstrublung emission of energetic electrons ejected from the target and recombination of electron and ion near target, the primary mechanism of atomic excitation and ion excitation in plasma is inelastic collision between the elemental species and high-kinetic energy electron,the model can explain the experimental results qualitatively.

讨论了激光诱导发光的机理，认为等离子体羽中连续辐射背景光主要来自近靶处高能电子的韧致辐射和电子与离子的复合激发，原子和离子光谱线主要由等离子体中高能电子的碰撞传能激发所引起，并用之较好地解释了所观察的实验现象。

On the basis of introducing the basic principle of radio interference calculation by excitation function method, the discrepancies among various excitation functions are compared.

在介绍激发函数法计算无线电干扰基本原理的基础上，比较了不同激发函数之间的差异。

The dynamic characteristics of stochastic truss structures and stochastic frame structures are analyzed by using Random Factor Method. Then, from the expressions of structural random response of the frequency domain, the computational expressions of the mean value, variance and variation coefficient of the mean square value of the structural displacement and stress response under the stationary random excitation or non-stationary random excitation are developed by means of the random variable's functional moment method and the algebra synthesis method.

考虑压电智能桁架结构物理参数、几何参数、结构阻尼和外荷载、闭环系统控制电压分别或同时为随机变量，构建了结构在随机力作用下的动力响应分析模型，提出了求解方法，推导出结构动力响应随机变量的数字特征计算表达式，通过算例验证了所建模型和所提求解方法的正确性和有效性。

The potential energy surfaces of ground state of He—HBr complex have been calculated at several levels of theory, including the single and double excitation coupled-cluster method with noniterative perturbation treatment of triple excitation CCSD.

在用非迭代的三重激发项来校正CCSD的CCSD理论水平下，采用aug-cc- pVQZ基函数对He—HBr的分子间势进行了系统的研究。

The C-band magnetically insulated transmission line oscillator has teen simulated by the three dimensional PIC code in order to study the influence of non symmetry excitation mechanisms on its output modes. It is found that the non symmetry excitation mechanisms, such as random emitting of cathode electron anti the long rise tunic and low magnitude of input voltage, could product higher order modes and reduce output power.

为理解磁绝缘线振荡器实验中频频出现的模式竞争问题，利用3维全电磁粒子模拟程序对C波段MILO的实验模型进行研究，探索各种非对称激励机制对产生微波模式的影响，结果显示：阴极电子随机发射、电压的慢上升前沿、较低的电压等因素都可导致非对称高阶模式的产生，并使输出微波功率大大降低。

Based on chapter two, In chapter three, the method of multiple scales is introduced to the study of the multiple-dimensional nonlinear stochastic systems under random external excitation. Using method of multiple scales, we strictly deduce the equation of modulation of amplitude and phase. The effects of random excitations are analyzed; numerical simulations verify the results. Theoretical and numerical simulations show that when the intensity of the random excitation increases, the nontrivial steady state solution may be changed from a limit cycle to a diffused limit cycle.

在第二章基础上，第三章将多尺度法引入到相应的随机系统的研究中；严格推导了系统的约简方程，用矩方法求出稳态解应满足的方程，获得一些结果；并且数值模拟结果与理论推导的结果是一致的；并注意到，与其对应的确定性系统相比较，系统响应从周期解变为近似周期解，系统的相轨线从极限环变为扩大的近似极限环；随着激励带宽的增大，此扩大的近似极限环的宽度将增大。

The advantages of the hybrid CIS-DFT method are that it can determine the symmetry of molecule and the correct order of excitation as well as the Molecular Orbital electron configuration;thereby the electronic excitation states of ethylene are easily derived, and most of them are in agreement with those obtained in experiments or references.

CIS-DFT的优点在于能确定外场下分子的对称性，给出正确的激发顺序以及分子轨道的电子组态，由此导出乙烯分子的激发态，结果与实验一致。

Dus to these reasons, through one tropical year solar excitation, the annual average moving track transfers westward to CIO, even more, under next period of solar excitation, such movement will be resumed on the basis of prior position which is accumulated to form long-term polar movement.

在下一个周年期激发时段，上述现象将在上一回归年极移年平均位置的基础上继续进行，逐年累积即形成长期极移。

Through changing the preignition time and the excitation time of sparkle light source,electric arc light source and trace analyzing light source,the method shortening excitation period for analysis of mid of low alloy steel is studied.

研究了通过改变预燃时间，火花光源、电弧光源、痕量分析光源的激发时间来缩短激发周期进行中低合金钢分析的方法，通过实验将分析周期从34s缩短到23s，从精密度实验、稳定性实验、结果对照来看该方法是切实可行的，并取得了很好的经济效益。

In Nabokov's thought, aesthetic excitation isn't a pure concept, but a complex feeling. It is not only sensuous, but also rational; not only the excitation of the writer in the process of writing, but also the shock of the readers in their resonance with the writer; not only aesthetic, but also showing appreciation of the ugliness.

论文指出在纳博科夫这里，审美狂喜不是一个单纯的概念，而是一种复杂的感受，它是感官的，也是理智的；是作家写作时的亢奋，也是读者共鸣时的震颤；是审美的，同时也是审丑的。

Although translator has turned from being a crystal ball by which the original culture can unrestrainedly penetrate to another crystal ball by which the target culture can freely traverse, the translator's personal embodiment, in the process of cognitive act, are still absent in translation studies. Translators are still subjects without body or simply disembodied subjects.

译者虽然由原语文化可以自由穿透的玻璃球变成了译语文化可以自由穿越的玻璃球，但译者认知过程中的个体体验在翻译研究中依然缺席，译者依然仅仅是一个没有躯体体验的主体。

Chillingly, he claimed our technology is 'not nearly as sophisticated' as theirs and "had they been hostile", he warned 'we would be been gone by now'.

令人毛骨悚然的，他声称我们的技术是'并不那么复杂，像他们一样，和"如果他们敌意"，他警告说，'我们将现在已经过去了。