Ruby laser is a three-level system.
红宝石激光器是一个三能级系统。
The molecule can be simplified as a three-level system.
在低能量范围内，该分子可以简化为三能级体系。
It also constructs the math model of the three-level rectifying circuit.
同时提出三电平整流电路的数学模型。
From a three-level model, we analyse the origins of the observed dnamics.
从一个三能级模型出发，分析了上述过程的来源。
Ideally, Reeves said, he would convert the three-level control center into a new home.
理想状态下，李·维斯表示，他会把三层楼高的控制中心改造成他的家。
The neutral-point balancing is an inherent problem of the three-level NPC inverter.
中点电位平衡问题是三电平npc逆变器的一个固有问题。
A novel current mode series-resonant ZCS three-level half bridge inverter is proposed.
提出了一种新型半桥电流源型串联谐振零电流三电平逆变器。
The spectrum of the micromaser injected with ultracold V-type three-level atoms is studied.
建立了超冷V型三能级原子注入的微脉塞的量子理论。
In this paper coherent excitation of two-photon resonance in three-level systems is discussed.
本文研究了双光子共振相干激发三能级系统的问题。
Based on intelligent sensors and field bus, the three-level linear network was adopted by FCS.
由智能传感器和现场总线构成的现场总线控制系统，采用三层线性网络结构。
High-fidelity speaker: the adoption of three-level waterproof protection offers high quality sound.
高保真喇叭：采用三层防水保护处理，呈现高品质音质。
A novel space vector control strategy is proposed for four-leg three-level shunt active power filter (APF).
提出一种新型的四桥臂三电平并联有源电力滤波器(APF)的空间矢量控制策略。
The new method is verified by experiments on a prototype of dual-PWM three-level induction motor drive system.
双pwm三电平异步电动机调速系统样机上的实验结果证明该方法是有效的。
The characteristics of rare earth doped fibers and the principle of fiber amplifier with three-level system are described.
简述了稀土掺杂光纤的特性，以及三能级光纤激光放大的基本原理。
The pattern preparing system for three-level loop tufting machine is introduced, including pattern design and pattern conversion.
介绍了三圈高地毯簇绒机的花型准备系统，包括花型设计和花型转换两大部分。
In order to create pattern on carpet, this paper developed a jacquard control system for three-level loop carpet tufting machine.
为了在毯面上形成花型图案，设计和开发了三圈高地毯簇绒机提花控制系统。
Strong, slender and still only 58 years old, Kanzius bought a 4, 000-square-foot, three-level white stucco home on Sanibel Island.
身材硕长而健壮，年仅58岁的肯兹尤斯在森尼贝尔岛上买了占地4千平方公尺，有一栋三层白色楼房的家园。
The hillside topography impacted the design and inspired a three-level planning approach used to mimic the natural form of the hillside.
山坡地形影响设计，并且启发三层楼的规划方法，用于模拟山坡的自然形状。
A three-level timber veneer and polished metal wall links the entry with the cigar bar, which commands views to the Canal and the Marina.
三个层次的木材贴面和抛光金属墙的联系与雪茄吧，它的命令的意见，运河和码头入境。
This paper proposes a new strategy for balancing the neutral point voltage in the process of the three-level inverter vector controlling.
本文主要研究三电平逆变器在电压空间矢量控制过程中中性点电压平衡的控制方法。
We introduced a method that can improve the measurement precision of the three-level atom gravimeter by changing the sequence of the pulses.
提出了一种通过改变激光脉冲序列来提高三能级原子重力仪测量精度的方法。
The quantum reduced entropy evolution of a V-type three-level atom interacting with the two - mode odd-even entangled coherent field is investigated.
运用量子约化熵研究了V型三能级原子与双模奇偶纠缠相干光场相互作用系统中场熵的演化特性。
Adverse effects of switching losses which operating at high frequency are analyzed at the beginning of a three-level matrix power converter configuration.
从三电平矩阵式电力变换器的拓扑结构入手，分析在高频下工作时开关损耗带来的负面效应。
Two methods to control the neutral point potential are proposed in this thesis which can solve the neutral point potential problem owned by three-level inverter.
针对三电平逆变器固有的中点电位平衡问题，本文提出并分析了两种能控制中点电位平衡的控制策略。
As for the three-phase three-level voltage source converter, a simple SVPWM algorithm based on the sector mapping for controlling three-level converter is proposed.
针对电压型三相三电平变流器，提出了一种基于扇区映射、适用于三电平变流器控制、形式简洁的SVPWM算法。
An experiment prototype of 1.5kw three-level inverter has been manufactured, which is driven by "based on FPGA vector generator". We finally got ideal wave in this experiment system.
本文最后搭建了一个基于多电平矢量发生的逆变实验系统，制作了一台用矢量发生器驱动的1.5KW的多电平变换器实验样机，在样机上得到了较为理想的波形。
A method of keeping neutral point potential balanced based on three-level SPWM had been brought forward, which can improve output waveform and decrease the possibility of IGCT's over-voltage.
提出了一种基于三电平spwm调制的中点电压抑制方法，在改善输出波形质量的同时，有效的降低了IGCT过电压的危险。
The hotel is set on three floors. There's a bar and cafe at ground level.
旅馆有三层楼。底层有个酒吧和咖啡厅。
The hotel is set on three floors. There's a bar and cafe at ground level.
旅馆有三层楼。底层有个酒吧和咖啡厅。
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