The pessimists would argue that global demand growth will not be sufficiently strong to support a self-sustained recovery in the eurozone. 悲观主义者会辩称,全球需求增长的强度将不足以支撑欧元区自我维系的复苏。
This obsession with China's impressive GDP growth often ignores discussion of what's causing that growth and whether it's self-sustained. 那些痴迷于中国GDP高增长率的人经常忽略了探讨导致这一高增长的原因,以及这种增长是否可自我持续。
This self-sustained oscillation must be controlled within a permissible range, otherwise it will leave hidden troubles for safety. 这种自振现象必须控制在允许范围内,否则将留下安全隐患。
Research on Constant Load Self-sustained Oscillation of Hoisting Power System in Mine Shaft 矿井提升系统有恒定负载自持振荡的研究
The self-sustained oscillatory motion of the shear layer was studied for plates with different lengths. 研究了腔内有不同长度平板存在的空腔流动的剪切层自持性振荡,并与无平板存在时的现象进行类比。
Technique of Self-Sustained Volume Discharge Used to Excite High-Power Gas Lasers 用于激励高功率气体激光的自持体放电技术
The adaptive equilibrium is a sort of equilibrium based on complexity, that is Weirich-type united self-sustained, feasible and stable but possible dominant. 这种适应性均衡是一种魏里希型联合自我支持的,可能不是最优但是在复杂性下可行的稳定均衡。
Periodic, Almost Periodic and Chaotic Motions of Forced Self-sustained Oscillators 受迫自激振子的周期、拟周期和混沌运动
The feature of these devices is that by utilizing the unsteady vortex motion generated from the forced or self-sustained oscillation, the required higher heat and mass transfer rates can be attained without turbulent flow. 这类装置的特点是在非湍流流动状态下,利用强制振动或自维持振动产生的不稳定的涡旋与主流的混合来达到强化质热传递速率的效果。
A new approach to the designing of hydraulic vibrating system on the principle of self-sustained oscillation is proposed. 本文提出了一种运用自激振荡原理设计液压振动系统的新方法。
Analysis of self-sustained oscillations in digital control systems& the discrete describing function method and its application 数字控制系统的自振荡分析&离散描述函数法及其应用
Based on the dynamical model of DHFPE's ( dual hydraulic free piston engine) piston component assemble, the self-sustained oscillation motion of DHFPE was deduced. 根据双活塞液压自由活塞发动机样机活塞组件动力学模型,推导出活塞组件的自激振动方程;
Self-sustained oscillation characteristic of thermoacoustic stack is quantitatively proven based on thermodynamic theory to be negative damped oscillation. 从热动力学理论出发,定量地证明回热器的自激振荡特性为负阻尼振荡。
Effects of Time Delayed Velocity Feedbacks on Self-Sustained Oscillator With Excitation 时滞速度反馈对强迫自持系统动力学行为的影响
Optimum output power of a self-sustained discharge transverse flow CO_2 laser 自持电激励横流CO2激光器的最佳输出功率
A self-sustained uninterrupted precession motion is generated in a precessing jet nozzle consisting of a cylindrical tube added to an orifice and the optimal configuration parameters for the nozzle are presented. 在圆筒套管内设置一块孔板构成旋进射流喷嘴,由此获得持续稳定的旋进射流,研究了喷嘴最优的结构参数。
The variation of beam waist position, beam width and light power with injection current in GaAs-Al_XGa_ ( 1-X) As DH stripe-geometry lasers, and the relationship between the station-ary stability and transient self-sustained pulsation have been studied experimentally. 从实验上研究了GaAs-AlxGa(1-x)AsDH条形激光器的稳态束腰、束宽和激光功率随电流变化的规律与瞬态自脉动的关系。
Some factors influencing efficiencies of self-sustained discharge transverse-flow CO_2 lasers 自持放电横流CO2激光器中影响效率的一些因素
Experimental analysis of self-sustained oscillation in a traveling wave thermoacoustic Stirling engine by phase space reconstruction 行波热声斯特林机中自激振荡的实验分析&利用相空间重构方法
By using MATLAB software, the authors carry out simulation computation and optimization; and study in a deep-going way the effect of the change of doping density and external bias voltage on frequency and amplitude of self-sustained oscillation of doped GaAs/ AlAs superlattice with weak coupling. 运用MATLAB软件进行模拟计算和优化,深入研究掺杂浓度和外加偏压的变化,对GaAs/AlAs掺杂弱耦合超晶格自维持振荡频率和振幅的影响。
Calculation of the glow discharge impedance of a UV-preionized self-sustained TE ( A) CO_2 laser 紫外预电离TE(A)CO2激光器自持辉光放电的阻抗计算
A study on electrohydraulic self-sustained oscillating systems 电液自激振荡系统的研究
The other is self-sustained, which can be maintained without the existence of the external ionization source. 另一类是自持放电,它是指去掉外致电离源的条件下,放电仍能维持的现象。
The wave attenuation process from strong detonation to self-sustained stable detonation inside a tube has been described. 分析了三波结构的构成和成因以及爆震燃烧直接起爆后由强爆震燃烧波衰减为稳定自持的爆震燃烧波的过程。
SR-like behavior of the coherence motion can be induced purely by noise even in the absence of an external signal for system, such as self-sustained oscillations at close to bifurcation point. 当系统不存在外加激励时,噪声可以诱导相干运动的类随机共振行为,如在分岔点处的自振荡等,这种现象称为相干共振,或自随机共振。
The self-sustained discharge mechanism is also different between positive and negative corona. 两者维持自持放电的机制也各不相同。
Spiral wave is a self-sustained wave which does not depend on any external periodic signal source. The spiral wave patterns have been observed in excitable media and oscillatory media. 螺旋波是一种不需外部周期性信号源来维持的可自维持的波,在可激介质和振荡介质中都能观测到螺旋波斑图。
Energy scavenging technology provides an effective solution to the self-sustained power supply issues that obstructs application of the wireless sensors. 现场供能问题是束缚无线传感器网络规模化应用的重要瓶颈,而自供能技术的发展为其提供了一种有效的解决途径。
FFT analysis method is used to analyze the experimental data of the self-sustained oscillations and noise. Then the experimental results are compared with the theoretical analysis results. It shows that the theoretical analysis is reasonable. 采用傅立叶变换分析方法对射流流场中的自激压力振荡和自激噪声数据进行了分析,并与仿真分析结果进行了比较,从而进一步验证了理论分析的正确性。