And, the way we can get it, so, it's called usually V, so, V here stands for velocity more than for vector. And, you just get it by taking the derivative of a position vector with respect to time.

In this paper, the building method of the dry dock gate's parametric model is studied and the dynamic analysis is accomplished in ADAMS, furthermore, the uprising angle curve is drawn while the dry dock gate is uprising.

研究了气控式卧倒坞门仿真模型的参数化方法和过程，并在ADAMS中完成了系统的动力学分析，绘制出了坞门在起浮过程中起浮倾角关于时间的仿真曲线。

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The nonlinear dynamic equations for the double-layer plate are established by employing the Galerkin's technique, then the critical condition for occurrence of chaotic motions is discussed theoretically with Melnikov function method.

首先采用Galerkin法得到了双层板关于时间的非线性动力学方程，而后利用Melnikov函数法，从理论上研究了双层板发生混沌的临界条件及参数范围。

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In paper [ 1] [ 2], the existence of periodic solutions in time t for non-linear Schrodinger equations was obtained by numerical computations.

在文献[1][2]中用数值计算得到了非线性Schrodinger方程关于时间t的周期解。

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The Sobolev interpolation inequality and prior estimate on time are applied to show the existence of solution in unbounded domain.

利用Sobolev插值不等式以及关于时间t的先验估计证明了该方程在无界域上解的存在性；

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In the stability theory of ordinary differential equations, the V-function of Liapunov fundamental theorem of stability is a fixed sign and its total derivative is contrary sign to V-fuction.

在常微分方程稳定性理论中，Liapunov稳定性基本定理中的V函数是一个定号函数，且它关于时间t的全导数dV/dt的正负号要求与V相反。

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So I want you to just see qualitatively what kind of a weird curve x as a function of time is, which then will have to satisfy that differential equation.

我想让你们，从质量上看，这个x关于时间变化，的曲线是多么诡异，它们都要满足，这条微分方程。

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So the first thing I have to do, I have to find what the second derivative is of x as a function of time.

因此我首先要做的，就是发现，x关于时间的函数的，二次导数。

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Many functions of time operation are provided in Windows and VC, they are used to do accurate timing in control program.

Windows和VC中提供了很多关于时间操作的函数，利用它们控制程序能够精确地完成定时和计时操作。

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Research on the Determining Order of AR Model for Time Series

关于时间序列AR模型定阶问题的一些研究

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So, r is a function of time.

也就是说r关于时间的函数。

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And now I can ask you x A including the amplitude A, including the phase angle phi?

现在我问你们，关于时间的，函数是什么，，what，now，is，x，as，a，function，of，time，包括振幅，包括相位角φ？

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A Result about Time Constant μ in First Passage Percolation

首达渗流中关于时间常数μ的上界估计

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Also developed are the algorithm to find all pareto optimal solutions about time and cost with given expanded network max-flow.

研究了给定网络容量扩充目标要求下，求解所有关于时间和费用的Pareto优化解问题并提供了相应算法。

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my goal is to become indispensible to you.

我的目标就是成为你的左膀右臂

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Urban schooling and rural schooling are two indispensible and independent categories of education.

城市教育与农村教育是两种不可或缺而又相互独立的教育。

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But this kind of interaction between literature and film is indispensible, to both literature and film.

但是文学与电影的这种互动无论对于电影还是对于文学来说都是必要的，双方取长补短互惠互利。

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Secondary art education is an indispensible part of our national education.

中等艺术教育是我国整个国民中等教育中的一个不容忽视的重要组成部分。

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Today, automobile has become an indispensible transportation in our daily lives.

现在，汽车已经成为了人们工作生活中不可缺少的一种交通工具。

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First of all, he does not feel indispensible.

首先，他没有感到自己是不可缺少的。

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Equality of land right is indispensible to equality of life.

地权平等，乃是生活平等的要件。

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