有其它的方式来得到的，从这里开始求微分。
But we have another way to find it, which is starting from this and differentiating.
利用直接求微分的方法，给出了右伸长张量率的不变性表示公式。
An invariant formula for the right stretch tensor rate is given by a differential method directly.
通过对定位数据求微分以获得目标的速度参数，是靶场估计目标运动参数的常用方法。
Using position data to obtain velocity parameters of object through differential coefficient is a general method in range.
在转换文档时，XSLT是一种极其高效的语言，但对于更为传统的任务，比如说在求微分方程的积分或与数据库通信时。
XSLT is a wonderfully efficient language for transforming documents, but it's not always the best language for more traditional tasks like integrating differential equations or talking to databases.
作为引子，你们可能已经知道了，一元微积分里面的一个小把戏，也就是求隐函数微分法。
And, just to motivate that, let me remind you about one trick that you probably know from single variable calculus, namely implicit differentiation.
采用无条件稳定的精细逐步积分法求解结构的模态动力学微分方程，构造了通过结构的模态响应反求荷载列阵的迭代算法。
The highly precise direct integration scheme is used for solving modal dynamic differential equation of the structure nd a dynamic load identification method by the modal responses is proposed.
由于坐标参数模型的高阶特性，使得在通过对坐标数据微分求速度参数时，产生较大的微分截断误差。
Because of the high step of coordinate model, it will be bring a biggish truncation errors when differential the coordinate data to obtain the velocity parameters.
结论的普遍性可以推广到数学力学学科，并给出了这一类三阶非线性微分方程求定性解的一般方法。
The universality of the conclusion can be spread to mathematics and mechanics science also and give a popular method to solving this third-order nonlinear differential equation qualitatively.
应用全微积分方程的充要条件给出了求一阶微分方程积分困于较为一般的方法。
It is shown that the common method of integrating factor of differential equation of first order is given.
它是在任意形状的区域上求偏微分方程的数值解的一种非常有效的工具。
It is a very efficient tool to numerical calculate partial differential equations on any shape of domain.
利用一种求偏微分方程的新方法蒙特卡罗算法通过不规则网格随机游动来求解大体积混凝土稳定温度场。
In this paper, the problem of mass concrete steady thermal field was solved by using Monte Carlo method with irregular grid random walk.
将求非线性系统输出相关函数的问题，变成解常微分方程的问题。
Thus a problem of solving the output correlation function of nonlinear system is turned into a problem of solving an ordinary differential equation.
自适应网格法是80年代兴起的通过求解椭圆型方程的边值问题来数值生成网格的一种新方法。它是在任意形状的区域上求偏微分方程的数值解的一种非常有效的工具。
Adaptive mesh method which raises in 80's is a new method to numerical generate grid by solving a boundary value problem of elliptic equation.
自适应网格法是80年代兴起的通过求解椭圆型方程的边值问题来数值生成网格的一种新方法。它是在任意形状的区域上求偏微分方程的数值解的一种非常有效的工具。
Adaptive mesh method which raises in 80's is a new method to numerical generate grid by solving a boundary value problem of elliptic equation.
应用推荐