exponential expression
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[网络] 指数表达式
双语例句
- 24 is an exponential expression.
24是一个指数式。 - A series derived from the expansion of an exponential expression.
从指数表达式扩展而得的一种级数。 - Y+ n is an exponential expression.
y+n是幂的表达方式。 - Passivity fund is sought not actively acquire the show that transcends the market, try to duplicate however exponential expression, and choose specific index commonly serve as the object that dog, be called again normally accordingly index fund.
被动型基金则不主动寻求取得超越市场的表现，而是试图复制指数的表现，并且一般选取特定的指数作为跟踪的对象，因此通常又被称为指数型基金。 - It defines two kinds of exponential distribution, applies for the of equivalent exponent, especially the practical analysis method, obtains approximately the reliable probability in design expression for the independent identical distribution stress series system and parallel system.
通过定义两种类型的指数分布，运用实用分析法的思想，提出应力串并联系统的可靠性分析的当量指数方法，而且能够近似地获得显示的可靠性设计表达式。 - The effect of temperature on the rate constant of sludge degradation coincides with the Arrhenius exponential expression;
温度对降解速率常数的影响符合Arhenius指数关系式； - Linear equations, superposition theorem, and complex exponential expression
线性方程、叠加原理与复指数表示法 - Linear or exponential or polynomial relationships between g-s and stomatal aperture were found when regression of g-s and stomatal aperture was established. This paper supposes that temperature has quadratic variation through layers of the shell element, and gives the expression of temperature functions in given boundary conditions.
气孔导度和气孔开度经回归分析呈线性、指数或多项式分布。假设温度沿壳元厚度是二次多项式分布，在给定边界条件下，推导了壳元温度函数表达式； - Determination of Cofficient in Exponential Expression of Neutron Exposure Distribution
中子辐照量指数分布函数式中比例系数的确定 - The multipath acoustic signals at the hydrophone consist of multiple arrivals of sums of exponential functions, deriving the multipath signal modeling expression by mathematically transformation. The frequencies, amplitudes and phases for the exponential components in each of the arriving signals are estimated by the algorithm.
水听器接收到的多路径声信号由一系列指数函数组成，通过数学变换推导得到多路径信号模型表达式，估算每个到达信号指数分量的频率、幅度和相位。 - At the stage of fracture initiation, the groundwater is turbulent flow, and the relation of J-v is an exponential expression.
通过流体力学分析得出：在裂隙起劈阶段，地下水流的流态为紊流，且J-v之间满足指数关系； - In this model, the mean of data variation with time can be described by polynomial or exponential expression, and the stable process of zero mean by random process model AR ( n) or ARMA ( n, m).
其中，数据序列随时间变化的均值可用多项式或指数函数描述，而零均值的平稳过程可用AR（n）或ARMA（n，m）模型拟合。 - The simulation expressions of NH+ 4 and TN with time factor could be exponential, logarithmic, power or binomial, while NO-3 had no appropriate expression.
NH+4和TN随时间动态变化的单因素模拟表达式为指数、对数、乘幂型或二次型；NO-3的也是非直线型，却无合适的模拟模式。 - A new constitutive model of shape memory alloys ( SMAs) based on Tanaka's martensite fraction exponential expression is produced.
借助于Tanaka用一维形核动力学方程导出的指数形式的相变百分数，建立了一个新的形状记忆合金本构模型·提出了不同相变条件下的可恢复形状记忆应变的表达式； - Different clustering algorithms have their own advantages and disadvantages. Facing the exponential growth in gene expression data analysis, people need urgently to explore new cluster analysis methods.
由于这些聚类算法都各有优点和不足，面对指数增长的基因表达数据分析问题，人们迫切需要探寻高效和准确的聚类分析方法。 - The diffusion process is studied by the data obtained by sample weighing. The moisture concentration curves acquired in classical mass loss drying experiments show that the law of diffusion process is an exponential decay expression, and drying rate is a process of wavy decay.
通过称重法研究水分的扩散过程变化规律，数据分析证明绝缘纸板微水分扩散过程遵循指数衰减规律，同时表明除湿速率表现为一种振荡衰减的变化过程。 - Students at the three different age brackets have different patterns of estimation of exponential expression and have different characteristics. The result is in accordance with the findings of foreign studies.
三个年龄段的学生对幂的数值大小估计存在不同的模式，分别具有不同的特征，这与国外类似研究的结果一致。 - A sufficient condition for the exponential mean-square stability of the filtering error system is first derived and an upper bound of the state estimation error variance is then obtained, and afterwards the explicit expression of the desired filters has been parameterized.
首先建立了滤波误差系统同时满足指数均方稳定与误差方差上界约束的充分条件，其次给出了所求滤波器的具体算法。 - Applying Lyapunov stability theory, two delay-independent exponential stability criteria are proposed based on the expression of linear matrix inequality.
应用Lyapunov稳定性理论，给出了两个不依赖于时滞的指数稳定性判据。这个判据是以线性矩阵不等式形式表示的。