模态的

Based on traditional second-order SMC, integral action is introduced into the sliding surface to eliminate the steady state error and maintain the dynamic performance of Buck inverter.

在传统的比例微分二阶滑模的基础上，加入了输出电压偏差的积分环节，使系统本质上消除了稳态误差，同时保证相应的动态性能。

An analytical model was built up on the jet deflection in the crossflow by applying the theorem of momentum, which takes full account of mixing between the upstream fluid and burner jet, and of the total pressure difference between the two sides of the jets. Through analysis of this model, experimental study and numerical simulation, effects of the nozzle spacing ratio, width of the furnace corner, width of the nozzle and imaginary circle diameter on the aerodynamic field in the furnace were obtained.

本文综合考虑了炉内旋转气流与燃烧器射流的混合和燃烧器射流向火侧与背火侧的全压差等因素，应用动量定理建立了横向气流中射流偏转的分析模型，并结合冷态模化试验和数值模拟计算，得到了燃烧器间隙率、炉膛切角、喷口宽度和假想切圆直径等因素对炉内空气动力场影响的规律。

In order to solve the fault location problem, this paper analyzes the electric structure of automatic blocking and continuous power transmission line, investigating the transient characteristics of traveling waves generated by different fault in the lines on the basis of traveling wave theory. The results show that transient process of earth fault and short fault in neutral noneffective grounding systems produce aerial mode component of traveling waves with steadyparameters.

为了解决自闭/贯通线路故障自动定位问题，分析了自闭/贯通线路电气结构的特殊性，以行波理论为基础研究了接地故障和相间短路故障产生的暂态电压、电流行波特征，发现接地故障和相间短路故障都存在参数比较稳定的行波线模分量。

We introduced all parts of a general repetitive control system after depicting the regulations of the repetitive control theory. The parts include inner model, delay section, compensator, low pass filter and controlled object. And we also analyzed the robust, convergence, following error of the repetitive control system.

阐述了重复控制的基本思想，重点介绍了重复控制系统得各个组成部分，包括重复控制器的内模、周期延时环节、补偿器、低通滤波器和控制对象等，并且分析重复控制系统的稳定性、收敛性和稳态误差等性能特征。

This article introduces the flow characteristics obtained in the model test often adopted in a tangentially fired furnace and compares them with the results of hot state measurement.

本文介绍切向燃烧炉膛常用的模化试验所得的气流特征，并与热态测定结果进行比较，从而得出两者的相似点和差异。

It has potential applications in the fields of optical tweezer, quantum information process and computation.

拉盖尔高斯(Laguerre-Gaussian，LG)模是光子的轨道角动量本征态，它在未来的光镊、量子信息和计算等领域有潜在的应用价值。

Thus it has more degree of precision than the conventional assessment of two dimensional method and three dimensional method.

但由于部模的"尺度效应"和实船表面的粗糙度原因，两者间的流态和阻力系数都存在着

Analysis of power spectrum indicates that the characteristic frequency created by the Hopf bifurcation is equal to the generalized winding number of the critical transverse modes just before the bifurcation.

结果表明，耦合振子的同步混沌态可以发生一种Hopf分岔，在Hopf分岔后，系统的功率谱中出现了一个特征频率，其值恰好等于分岔前临界横模的广义旋转数。

A metastable helium atomic beam effused out of atom source is firstly cooled transversally by laser. This well-collimated atomic beam traveling through the light standing-wave whose direction is perpendicular to atomic beam is quenched, and channeling effect happens in atomic density distribution.

亚稳态原子束从原子源喷出后首先对其进行横向激光冷却，准直后的原子束穿过与之垂直的激光驻波场时发生淬火过程，原子的密度分布出现沟道化效应，给出基于光掩模制作纳米图形的基本原理、理论分析及模拟结果。

The result indicates that both the atomic motion and the field mode structure can modulate the fidelities of quantum states in the system of interaction.

结果表明：在一定的条件下，原子运动的速度和场模结构参数可调制相互作用体系的量子态保真度。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。