彭蒂·塞利先生和沃斯在他们的研究中控制增长的影响，发现GDP改变和预算削减都是不稳定的诱因。
MessrsPonticelli and Voth control for the impact of growth in their study and find a causal role for changes in GDP alongside that for budget cuts.
印度拥有不稳定的股票市场和老成的散户投资者，但是对货币的管制和其他一些控制手段使得国际经纪机构觉得这是一个让人灰心的地区。
India has a vibrant local stockmarket and sophisticated retail investors, but currency and other controls make it a frustrating place for international brokers.
在两者中，都需要控制风险和不稳定，特别是因为周期性的剧变可能影响深远。
In both, there is a need to manage risk and uncertainty, especially since the periodic upheavals can be profound.
但是正如那些被测试者所强调的，当收入不仅仅是低，而且不稳定也不可预测时，控制现金流更为至关重要。
But as many of the subjects emphasised, controlling the flow of cash becomes all the more critical when income is not just low, but also unpredictable and irregular.
由于水和卫生的不稳定状况，特别在城市和罗安达省，控制活动难以开展。
Control activities are difficult in view of the precarious water and sanitation situation, particularly in urban areas and Luanda Province.
大蒜：尽管在研究中的表现不稳定，但是大蒜的确可以帮助对抗炎症、调节血糖和控制感染。
Garlic: Though a little more inconsistent (in terms of research), garlic can help reduce inflammation, regulate glucose and help your body fight infection.
他们希望获得控制权以保证市场不会陷入过度的不稳定，从而威胁到国内的稳定。
They want to retain control to stop markets becoming too volatile and threatening domestic stability.
如何控制陆相地层横向不稳定性，是盆地分析的难点。
The difficulty for analysing basin sedimentation is how to control the horizontal variation of continental strata.
但是由于这些方法不考虑复杂度的控制以及不能保证全局最小值，所以它们的性能不稳定。
However, since these approaches take no account of complexity control and have no guarantee of global minimum, they often suffer from unstable performance.
球杆系统这样一个非线性不稳定系统是为自动控制原理等基础控制课程教学实验设计的实验设备。
Ball and beam system is a nonlinear and unstable system, which is designed for experiments of basic control curriculum such as feedback control.
设计了一种多极混合自适应控制器，解决了高阶复杂被控对象在以往的自适应控制中出现的不稳定问题。
A many grades hybrid adaptive controller is designed, the problem that high step and complicate controlled object is unstable in tradition adaptive control system is solved.
这些天美国是有点不稳定，但作为世界上唯一的能够支配每个国家的超级大国，其他国家的控制能力则非常有限，这一点他们知道！
The American's are completely erratic these days their days as the sole superpower who can dictate to everyone else are numbered and they know it!
结果表明，按滚转角对飞机进行反馈控制时，不能使该不稳定模态变为稳定模态。
The result shows that the unstable mode could not be changed into a stable one by using the bank Angle feedback control.
早期通用变频器大多为开环恒压比的控制方式，控制曲线不稳定。
The adopted control mode of previous common frequency converter is usually of open loop constant voltage ratio, which its control curve is not stable.
延迟时间的变化可能会引起控制品质的恶化，甚至使系统不稳定。
The variations in the delayed time in time delay systems will result in worsen control quality.
开环迭代学习控制学习周期长，在迭代学习的初期容易出现不稳定和高增益的现象。
But the learning period of opened-loop iterative learning control is long, and the unstable and high gain phenomena may be taken place during the initial stage of iterative learning control.
本文研究了切削加工稳定图中相邻两个不稳定叶瓣之间的控制规律。
The paper deals with the governing law between two neighbouring instable lobes in machining stability chart.
LQR控制器用于倒立摆的控制模式，保持摆锤稳定在竖直向上不稳定状态点附近，使小车位移跟踪给定信号。
The LQR controller uses the pendulum control mode to keep the pendulum near the vertical up unstable state points and gives signals of car displacement tracking.
然而模拟控制系统有着不稳定、实现复杂、不容易升级等缺点。
But analog control system has some shortcomings: complexity, unhandy, and so on.
“人”是影响IT项目成功的所有因素中最不稳定，最难控制的因素，进而成为一个关键的决定性因素。
Hominine factors are the most difficult to control and unsteady factors which affect the success of It project. It becomes a pivotal decisive factor.
但小型软件企业在生产、管理中尚存在着极大的问题，具体表现在产品质量不稳定、生产效率低下、生产成本得不到较好控制。
However, there are many problems of production and management in these small type enterprises. These problems are represented by unstable quality, low produce efficiency and lose control of cost.
介绍了电石渣中的大量机械杂质和化学杂质对环氧丙烷生产的影响及由其所引起的生产控制方面的不稳定因素。
The influence on propylene epoxide by lots of mechanical admixture and chemical admixture in carbide slag, and the instability factors in production control were introduced.
分析沉降过滤离心机的自动供料控制不稳定的原因，提出改进方案，从而提高自动供料系统的稳定性。
System of automatic feeding system is improved by analyzing the causes for the unstable automatic feeding control of the sedimentation centrifugal- Improving method is given.
结果表明，通过改变系统变量之间的线性变换矩阵，可以实现混沌系统中各种不稳定周期轨道的稳定控制。
The results show that the UPOs embedded in the chaotic system can be stably controlled by changing the linear transformation matrix of system variables.
网络化控制系统中，各种恒定、时变或者随机的网络时延会导致系统控制性能的下降甚至不稳定。
Various constant or time-varying, and even random network time delays can usually deteriorate the control performance and stability of networked control systems.
对于电磁吸浮型磁浮列车，悬浮控制是其关键部分，由于该系统的非线性和不稳定性，需要通过主动控制使其稳定悬浮。
Due to the inherent nonlinearities and instability of the electromagnetic suspension system, suspension control is key point. So it is needed active control in order to keep steady suspension.
第一种控制方案是一种微扰控制，并能将BZ-CSTR化学混沌稳定控制到其内嵌的不稳定周期轨道（UPO）上去。
The first control method is a kind of perturbation control and can stabilize the BZ-CSTR chemical chaos to its embedded unstable periodic orbits (UPO).
倒立摆系统以其自身的不稳定性而难以控制，也因此成为自动控制实验中验证控制策略优劣的极好的实验装置。
Inverted pendulum system is difficult to control because of its instability. It becomes the wonderful experiment device to verify how about the control strategy in automatic control experiment.
倒立摆系统以其自身的不稳定性而难以控制，也因此成为自动控制实验中验证控制策略优劣的极好的实验装置。
Inverted pendulum system is difficult to control because of its instability. It becomes the wonderful experiment device to verify how about the control strategy in automatic control experiment.
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