In this paper, we introduced another method of variation of constant of the second-order linear equation.
介绍了二阶线性微分方程的又一种常数变异法。
The imaging characteristics of a GRIN fiber lens with exponential variation of the constant-index surfaces are discussed based on the ray paths equations.
本文根据光线轨迹方程，讨论一种等折射率面为指数型变化的梯度折射率纤维透镜的成象特性。
In this paper, we analyze the variation of saturation, also we compare the previous methods of color constancy and point out that they can not get the constant saturation information.
在本文中，我们对物体饱和度信息的变化做了分析，对以前的一些获取颜色恒常性的方法做了比较，指出它们一般都不能得到恒常性的饱和度信息。
A small variation of the Verdet constant with temperature that was associated with the volume expansion of the sample was observed.
观测到费尔德常数随温度的微弱变化，而这种变化是同样品的体积膨胀相联系的。
Moreover, the expansion ratio of scale factor and the variation ratio of string coupling constant are calculated.
另外，计算了标度因子的膨胀比和弦耦合常数的变化比。
Methods of constant variation are an efficient solution to all nonlinear differential equations.
常数变易法是求解非齐次线性微分方程的一种有效方法。
This paper has made a qualitative analysis and discussion for the cause of the variation of geocentric gravitational constant.
对地心引力常数的变化原因作了定性分析和讨论。
Stress relaxations are observed at various given temperatures. The variation of stress with time is exponential form and the relaxation time constant is strongly dependent on temperature.
在各种给定温度下，应力随时间均按负指数形式松弛，但应力松弛时间常数强烈地依赖于温度。
This character remains in the variation range of -3%-20% of lattice constant.
这个特性在原胞的晶格常数变化的- 3% - 20%范围内保持不变。
Thus, the formula given by this article is much easier and quicker than the tedious calculations of the constant variation method.
与常数变易法的繁琐计算相比，该公式十分方便快捷。
At present, an adiabatic throttle model based on BWRS equation of state is used to obtain the temperature variation of Ban876 UGS's RNG at constant enthalpy condition.
为此，利用基于BWRS状态方程的绝热节流模型计算了板876储气库回采天然气的高压节流温变等焓线。
The optimization of product inhibition constant conferred to resistance to the variation of residual substrate concentration on the estimation of maximal product absorbance.
优化产物抑制常数可使此积分法所得反应终点产物吸收对剩余底物变化不敏感。
The dielectric layer (12) is made by a process involving continuous variation of dielectric material deposition conditions to provide a dielectric layer having a gradient of dielectric constant.
介质层 （12）由包括连续变化的介质材料沉积条件的方法制造以提供具有介电常 数梯度的介质层。
When the network parameters are kept constant, the results show that the variation of reflection efficiency for PWM mode according to injection power is much less than the am mode's.
研究了匹配网络参数不变时，射频电源不同调制模式对反射率的影响。实验研究表明，脉冲宽度调制模式的稳定度要明显高于振幅调制模式。
When the network parameters are kept constant, the results show that the variation of reflection efficiency for PWM mode according to injection power is much less than the am mode's.
研究了匹配网络参数不变时，射频电源不同调制模式对反射率的影响。实验研究表明，脉冲宽度调制模式的稳定度要明显高于振幅调制模式。
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