查询词典 fluctuating

In the phase-separation process, the similar groove polymer "bulwark" can be easily formed between the rubbing moulage boundaries on fluctuating flexible substrates in the almost vertical rubbing direction.

研究发现，在相分离的过程中，与表面摩擦方向近似相互垂直的上下两柔性基板上的摩擦印痕边界之间易形成类似于槽栅状聚合物"壁垒"。

Multiple Cropping Index (ratio of sown area and cropland area) is fluctuating year by year due to the changing natural conditions and rural social status, so, getting the change information timely is undoubtedly very important to assess grain yield change and its reasons, as well as to make scientific decision for agricultural development.

复种指数受自然条件和农村社会状况的影响处于不断变化之中，及时获取其变化信息对估计粮食产量变化及其原因和农业发展科学决策有非常重要的意义。

First of all, this paper establishes the simulation method for fluctuating wind with a multivariate normal distribution model and an autoregressive filter. On the basis of simulation results of the wind field, the time dispersion of the buffeting forces by turbulent wind is achieved.

首先，本文利用多变量正态分布模型并结合线性滤波法的自回归模型建立了脉动风的仿真模拟方法，从而实现了对紊流抖振力的时间离散。

In this state, theorists postulate, the liquid is made up of a continuously fluctuating mix of tetrahedral and more disordered structures, with the ratio of the two depending on temperature – just as Nilsson and his colleagues have found to be the case with water at the ambient temperatures important for life.

在这种状态下，理论家假设，这种液体是由一个不断波动的混合四面体和更加无序的结构构成的。两个比例主要取决于温度，-正如尼尔森和他的同事们发现，水的周围介质温度对生活的重要性。

Denominations stay in fixed relation one to the other, whereas the others have been fluctuating by 50% or more relative to one another.

美国的各种货币单位之间的兑换比率相对固定，而外币之间却波动了50%甚至更多。

Her face had latterly changed with changing states of mind, continually fluctuating between beauty and ordinariness, according as the thoughts were gay or grave.

她的面貌，近来随着她的心境的变化而发生了变化，由于她的心绪有时快乐，有时沉郁，因而她的面貌也在美丽和平常之间变幻不定。

An overdraft facility is an agreement whereby a fluctuating, limited credit is made available on an account.

透支便利指允许从某账目中取得一个浮动信用额度的协议。

So a method that combining the model experiment and numerical computation are discussed in this paper. The flow-induced vibration response of the plane recumbent gate in ShangHai qingshui river is computed in this method, and the result is reasonable and credibility, this method can be extend to compute the other hydraulic structures like overfall dam, guide wall, gate pier and so on, which is under fluctuating pressure.

由此探讨了一种将水力模型试验跟数值计算相结合来计算闸门流激响应具体值的方法，并应用于上海清水河泵闸水下卧倒门的流激响应计算上，结果合理可靠，该方法可以推广应用于溢流坝面、导墙、闸墩等受水流脉动荷载作用的其它水工建筑物。

The main achievements include as follows:(1)With research results of hydraulic jump and impinging jet,flow patterns in stilling basin and plunge pool are analyzed in detail, the distributing characteristics of mean pressure and fluctuating pressure are investigated.

主要成果包括：(1)引用水跃和冲击射流的研究成果，详细分析了底流和挑跌流消力塘内的水流流态特征，探讨了这两种型式消力塘内时均压力和脉动压力的分布规律。

Aiming at the big time-delay,big burthen fluctuating and mutable characteristic of the controlled object,combining Smith predicator with PID controller,the BP neural network tuning Smith-PID controlling policy is presented.

针对大时滞时变对象，把Smith补偿控制原理和PID参数的自适应调整方法结合起来，提出了基于BP神经网络整定Smith PID控制算法，即在Smith预估补偿控制系统中，利用BP神经网络在线自学习整定PID参数，使PID参数实现最佳的非线性组合，以适应对象特性的变化，从而克服了常规PID算法不适应大时滞系统控制和常规Smith算法过于依赖模型精度的缺陷。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。