The stimulated photon echo in degenerate two-level system has been studied.
研究了简并二能级系统的受激光子回波效应。
We have studied the saturation effect of degenerate four-wave mixing in Doppler-broadened two-level system.
我们研究了多普勒增宽的二能级系统中，简并四波混频的饱和效应。
With the time-dependent perturbation theory, the dynamics of a two-level system coupled to an Bose field is revisited.
从含时微扰论的角度出发，重新求解了与玻色场相耦合的两态系统的动力学。
It is the superconducting quantum interference device as two-level system approximately operating in a particular state.
超导量子比特是工作在特定条件而可以近似看作二能级体系超导量子干涉仪。
In this paper, the time-resolved degenerate four-wave mixing in two-level system is treated rigorously with the density-matrix method.
本文用密度矩阵方法严格处理了在共振情况下二能级系统时间分辨简并四波混频问题。
The interaction between a weak probe laser pulse and a two-level system strongly driven by a near-resonant laser pulse is studied by dressed model.
我们用缀饰模型研究强近共振激光脉冲驱动下二能级系统与弱试探脉冲的相互作用。
Much better to stick with a two-level system of pass and fail, or (if you will insist on such elitism) one extra level of “pass with distinction” for the top quartile.
最好还是继续两级方案，即通过和不通过，或者（若坚持精英主义）再为顶尖者增加“优秀通过”这个额外的级别。
The corresponding area theorem is derived, which is a generalization of the area theorem related initially to the light pulse propagation through the two-level system.
导出了相应的“面积定理”，是将只关系到光脉冲在二能级系统中传播的面积定理的一种推广。
The semiclassical laser theory proposed by Lamb for two-level system is extended to the case of dye lasers. Mode coupling equations are deduced, and a discussion is given.
本文将兰姆的二能级半经典激光器理论，推广至染料激光器系统，得出模式耦合方程，并作了些具体讨论。
Based on the behavior of spectral hole burning of two-level system, situations of persistent hole burning and photon gated spectral hole burning have also been considered.
以二能级系统光谱烧孔为基础，讨论了永久性光谱烧孔和光子选通光谱烧孔中孔的行为。
These two strategies only help support a system where people can get higher scores by understanding how the system works, even though their knowledge level may be same as other test takers.
这两种策略只是帮助支持了一种系统：懂得这个系统如何运作的人会获得高分，即便他们的知识水平也许和其他应试者没有差别。
The first two lines give you the information about when the system was last booted and the date and details of the last run level change.
通过开头的两行，您可以了解最近一次启动系统的时间，以及最近一次运行级别更改的日期和详细情况。
In this case, a Kanban system is composed of two levels, a project level in which a card represents a user story and a team (or a pair) level where a card represents a task.
在这种情况下，看板系统由两个层面组成，在项目层面一张卡片代表一个用户故事，而在团队(或者结对)层面一张卡片代表一个任务。
In contrast, the literature [14] further, taking into account the two aspects of the system level and the role of internal factors, the analysis has a finer granularity.
相比而言，文献[14]更进一步，同时考虑了系统层级和内部角色这两方面的因素，其分析工作具有更细的粒度。
The sea platform electric power distribution automated system basic structure is: In the structure USES two level control, three networks ways, safe reliable, advanced are easy to expand.
海洋平台电力配电自动化系统的基本框架结构为：结构上采用两级控制，三层网络方式，安全可靠，先进易扩展。
The control system has two level control system and two communication network.
整个控制系统由二级控制系统和二层通讯网络构成。
Burning boiler control system is designed in two level control structure: monitoring level and loop level.
锅炉燃烧控制系统设计为两层控制结构：监督级和回路级。
This paper studies the relaxation in the two—Level system of the Laser superradiation interacted with radiation by the method of coherence, and gives the solution of light field about sgn.
用相干态方法研究了与辐射相互作用的超辐射激光二能级系统的弛豫，给出在光场高温和低温两种极限情况下准几率密度函数方程的解。
The system adopts PC technique to form two level control scheme with web function which can be used anywhere without the limitation of the power supply and place.
整个生产线控制系统采用PC技术形成两级控制并具有网络化功能。
Design and application of two level computer control system that consists of PLC and process computer for concentrate measuring and sampling in copper melting plant are described.
介绍在铜冶炼厂由PLC和上位机组成的两级精矿自动计量和取样计算机控制系统的设计和应用情况。
On the basis of light interaction with two-level atomic system, we derive the interaction solitary wave equations, its solution and two necessary conditions for the existence of the solution.
在光与二能级原子系统相互作用的基础上，我们导出相互作用孤立波方程组及其精确解，以及存在解的两个必要条件。
The system adopts two level distributed control.
该系统采用两级分布式控制。
Due to its two level structure, the system detecting speed is accelerated and its recognition rate is also improved.
该系统是由两级分类器组成，这样既加快了系统检测速度，又保证了其检测精度。
The two level distributed control system for cryogenic propellant loading is introduced, taking the Lox loading control system for example.
以液氧加注控制系统为例，介绍液体运载火箭低温推进剂加注控制所采用的两级分布式系统。
In this system, using two-level association key management technology realizes key management of storage grouping algorithm.
在数字防伪系统中，采用“二级关联密钥管理技术”来实现存储分组算法的密钥管理。
This paper presents a globally optimal composite filtering solution for a two-level hybrid multisensor system.
本文提出适合于两级混合式多传感器系统的全局最优状态估计解。
By integrating expert system with fuzzy neural network, a new type of two-level coordination intelligent control system used in complex industrial processes is proposed in this paper.
针对复杂工业过程控制系统的特点，提出一种专家系统和模糊神经网络相结合的二级协调智能控制系统。
By integrating expert system with fuzzy neural network, a new type of two-level coordination intelligent control system used in complex industrial processes is proposed in this paper.
针对复杂工业过程控制系统的特点，提出一种专家系统和模糊神经网络相结合的二级协调智能控制系统。
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