查询词典 exponent

In this study, four boundary layer flows with the same mean velocity profile (the exponent of power law is 0.30) but different turbulence intensities are first simulated, the turbulence intensities at the model height are 10%, 15%, 20% and 26% respectively.

在此基础上，对不同截面不同高度的两个建筑物间的相互干扰特性进行了系统研究，主要针对建筑物间的静力、顺风向动力、横风向动力的干扰效应进行研究，然后对两个建筑物间的干扰机理进行了详细分析。

Logistic equation, growth of the population, differential equation, power exponent.

逻辑斯蒂方程，人口增长，微分方程，幂律指数

With the same noise level, white noise has the most striking effect. And the effect of noise is weakened with the increase of power spectral exponent a.

在同一噪声水平下，白噪声的影响最为显著，随功率谱指数α的增大，其影响逐渐减弱；随着噪声水平的增加，1/f噪声对计算混沌动力系统最大Lyapunov指数的影响越显著。

The Lyapunov exponent and continuous power spectrum of thesystem is calculated, and the result indicated there exist chaos movement in thesystem.

计算了系统的李雅普诺夫指数和功率谱，证明这类系统中确实存在混沌运动。

The power spectrum exponent analysis indicates that there are three differ- ent intervals where the static water heights have the effect on vibration energy.

信号的功率谱指数分析表明，静态液位对振动能量的影响存在于3个区间，分别为0。

In order to solve the derivation of power exponent function,this paper has studied the derivation regulations on power function from the perspective of the differentiation of multi-variable function and in accordance with the derivation laws on multi-variable complex function.

为解决幂指函数的求导问题，从多元函数微分法的角度出发，根据多元复合函数的求导法则，探索幂指函数求导的规律，并揭示了幂指函数与幂函数及指数函数导数间的关系，给出了幂指函数求导的另一种方法。

The verification are made for China's populations, some Provinces and Country populations with good agree, the results indicated that the population is affected strongly by the power exponent and the associated characteristics of growth of the population are discussed.

本文研究结果表明，由改进的具有幂律指数型的逻辑斯蒂人口增长模型所描述的人口增长规律和实际普查人口分规律布非常接近，可以用来比较准确的描述某段时间内的人口增长规律以及预测未来一段时间内的人口增长趋势。

In addition, the coefficient k of power law, the exponent m of sensitivity of strain rate and the energy Q of plastic deformation were derived based on the experimental results and theoretical analyses.

根据试验结果，推算出了半固态LY12在不同变形温度及应变速率下的幂函数系数k、应变速率敏感性指数m及变形激活能Q的值，从而获得了半固态LY12合金变形力学行为的定量描述。

Mutual recognition of community opinion ; level analytic method ; power exponent ; armament system ability ; evaluation

群体意见共识；层次分析法；幂指数；武器系统能力；评估

By using the two methods of computing the maximum Lyapunov exponent and drawing power spectrum, it is proofed that Chaotic phenomenon exists in time sequence of distance information that autonomous mobile robot has got from sensors between robots and obstacles.

通过计算最大Lyapunov指数和描绘功率谱分析图这两种方法，确定了自主移动机器人从传感器上获得的机器人与障碍物间的距离信息的时间序列存在混沌现象。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。