This paper establishes a delay differential inequality with varying coefficient and varying delay.
本文首先建立一个变系数变时滞微分不等式。
The random constrained estimation of semi-varying coefficient models with co-relational errors are discussed in this paper.
讨论误差相关下半变系数模型的随机约束估计。
Because of the meshing stiffness of a gear pair, the governing equation denotes a linear dynamic system with periodic time-varying coefficient.
由于齿轮副啮合刚度的影响，动力学方程序代表了一个具有时变系数的线性动力系统。
By the discretization of spatial variable in the equation, a third-order differential system of equations containing periodic time-varying coefficient is derived.
采用微分求积法对方程中的空间变量进行离散，得到仅含有时间变量的三阶周期系数微分方程组。
This paper describes a method of determining the non-linear coefficient of linear varying voltage.
本文描述一个线性变化电压非线性系数的测量方法。
The theoretical method for calculating the absorption coefficient of the absorber is provided by analogying the acoustic field in a tube with varying cross section.
对尖劈型吸声材料用类比变截面管道的声场理论，给出了计算其吸声系数的一种方法；
Secondly, the curves of the cooling load per unit heat-transfer area varying with the coefficient of performance are investigated based on the fundamental optimum relation.
其次，从基本优化关系式出发，对单位面积制冷负载随制冷系数变化的曲线做详细的研究。
By varying the loaded heat flux and wall emmisivity, the effect of gas temperature field and wall emmisivity on the equivalent gray absorption coefficient is studied.
通过调整供入的热负荷以及炉壁黑度，研究了炉壁黑度和炉气温度变化对反演的当量灰吸收系数的影响。
The probabilistic properties of functional coefficient auto-regression models with regularly varying tailed are discussed.
讨论了函数系数自回归模型，在误差项服从正则变化尾的情形下，模型的概率性质。
The results showed that the change of time-varying parameters (coefficient) in dynamic AR model has a regularity. Its increments are piled up by some simple period functions.
结果表明，动态自回归模型时变参数（时变系数）的变化是有规律的，其增量大体上是一些简单周期函数的叠加。
The interface temperature, velocity, solute concentration and non-equilibrium partition coefficient varying with interface location are calculated.
通过计算获得了界面温度、速度、溶质浓度及非平衡分配系数随界面位置的变化。
The laws of the ultimate capacity ratio of K-joints and KK joints (namely multiplanar coefficient) varying with the main geometrical parameters were obtained.
研究了KK型节点和K型节点极限承载力之比（即空间作用系数）随节点几何参数的变化规律。
The time-varying and incommutable character of the coefficient matrix of periodically time-varying linear systems are the bottleneck of the design for high precision direct integration methods.
周期时变线性系统系数矩阵的时变性与不可交换性是其精细积分算法设计中的瓶颈。
In this paper, the estimation of coefficient functions in a varying-coefficients EV model are constructed by using kernel smoothing and generalized least square method.
利用核函数法和广义最小二乘法给出了一般变系数ev模型系数参数的估计，得到了估计的强相合性。
We develop imputation estimators of mean of responses for semiparametric varying-coefficient model with response variables missing at random.
在响应变量随机缺失时，研究了半参数变系数模型响应变量均值的借补估计。
Between the two type deck sections, the trend of mean drag coefficient varying with Reynolds number is opposite to each other, which challenges the traditional opinion on the blunt section;
型断面阻力系数雷诺数效应与近流线型断面规律相反，升力矩及升力系数雷诺数效应不明显；
One case is that given the armor's area density, the curve of the ballistic-limited velocity varying with the optimal coefficient is simulated;
一种情况是在给定靶板面密度条件下，模拟了弹道极限速度随优化系数的变化曲线；
One case is that given the armor's area density, the curve of the ballistic-limited velocity varying with the optimal coefficient is simulated;
一种情况是在给定靶板面密度条件下，模拟了弹道极限速度随优化系数的变化曲线；
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