Cavity Field Spectra of a Λ-type Quantum-beat Three-level System

Lasing without Inversion Induced by Raman Process in ∧-Type Three-level System

∧型三能级系统中Raman过程诱导的无反转激光

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Design of ring laser resonator for dimer vapor with three-level system

用于二聚物三能级蒸气激光系统的环形谐振腔设计

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Quantum Coherence Effect Induced by Two Lasers in V-Shaped Three-Level System

V型三能级原子系统与双激光场相互作用的量子干涉效应

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In this paper; a closed V-type three-level system is studied.

研究了封闭的V型三能级激光系统。

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Some Decomposition Models for Three-level System Optimization and Their Coordination Algorithms

三阶系统优化的分解模型及其协调算法

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Theoretical Investigation on the ( 1+ 1 ′+ 1 ′) Resonant Ionization Dynamics of Three-level System

三能级系统的（1+1′+1′）共振电离动力学的理论研究

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On this basis, according to the function and operational characteristics of the three-level inverter, the structure of the main circuit is determined. And the double loop control strategy, which consists of outer voltage loop and inner current loop.

在此基础上，依据三电平双向逆变器的特点确定其主电路结构，并采用电压外环、电流内环的双闭环控制策略。

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Third, this article puts forward new requirements to organizational structure reform, based on the demand for teachers' development of basic education in new curriculum, three-level courses, course structure and the quality management system.

再次，本文从基础教育新课程对教师发展、三级课程管理体制、课程结构和质量管理的要求入手，提出了对组织结构变革的新要求。

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A Three-level Analysis on the Structure of Village Power& Also on the Post-election Legitimacy of Village Power

村庄权力结构的三层分析&兼论选举后村级权力的合法性

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Three-Level C/ S Structure Mechanism and Solution Scheme Microsoft Windows DNA

三层C/S结构机理及微软的解决方案&WindowS DNA

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Combinig the strategies of costate prediction approach by Hassan and Singh and the time-delay coordination algorithm by Tamura, the variable prediction-time decomposition technique is put forward. Using the technique, the nonlinear three-level hierarchical optimization structure is formulated.

文中将Hassan共态预测法和Tamura时延算法的主要思想相结合，提出和使用了预测变量一时间分解方法，导出了非线性三级递阶优化结构。

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Research on Operation Characteristics of the Three-level Zero-Current-Switch Charging Structure

三电平ZCS充电结构的工作特性研究

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Research on the three-level hierarchical network structure based on the middleware technique and its application

基于中间件技术的三层网络结构的研究与应用

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Through the model divided into two levels, included by two forms and devoted by three-level frame structure, the system completes feature information modeling adapting to decision-maker's decision and judgment style.

提出将模型分为两种级别、两种形式以及采用三级框架结构的特征模型表示方法，从而实现系统根据决策者各自决策风格和判断进行特征信息建模。

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Considering characters of three-level H-bridge structure with clamped-diode each phase, three carrier modulation schemes based on cascaded carriers and phase shifted consideration are presented. 3.

针对每相为二极管箝位三电平H桥级联的结构特点，分析了基于载波层叠和载波移相思想进行组合的三种传统的载波调制方法，给出了具体的实现方案。

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Conception of Building A Three-Level Systematic Structure for the Yangtze River Hydrological Data Information Network

建立长江水文数据信息网三层体系结构的构想

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Which implemented immediately on hardware design of electronic ballast for HID lamps for three-level structure, and testing the work waveforms of the main parts. Experimental results show that the three-tier structure has reached a design of electronic ballast requirements.

实现了立即亮HID灯三级结构电子镇流器的硬件设计过程，并测试得出了主要部分的工作波形，实验结果表明三级结构电子镇流器已经达到了设计要求。

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At first, the paper presents constraint-based distributed intelligent design system model. Then with three-level structure, the system model is described and defined systemically: ① The display level, which is based on display object.

首先给出了基于约束的分布式智能设计系统模型，并用3层结构系统地描述和定义了系统模型：1以显示对象为中心的显示层；

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In the system, all parts employs three-level structure based on the B/ S Model, cuts down the costs, strengthens the safety of the system, improve the response rate of the system.

系统中各模块均采用基于浏览器/服务器（B/S）模式的三层结构，降低了使用成本，增强了系统安全性，提高了系统响应速度。

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This paper describes the mechanism, features and representation forms, analyses the advantages of the three-level structure over the two-level structure and introduces the solution scheme of the microsoft-Windows DNA.

文章介绍了三层C／S结构的机理、特点和表现形式，经分析认为三层结构比两层结构具有更好的性能，重点介绍了微软的解决方案&WindowS DNA。

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