查询词典 necessary condition

By means of symmetries, we give a sufficient and necessary condition of general linearization.

利用对称性给出了非线性系统一般线性化的充要条件。

In this paper,the new Theorems are presented to prove some sufficient and necessary condition of Ishikawa iterative sequence with error member for Lipschitz hemi-contraction mapping in Hilbert space converging to the fixed point.

本文给出了Hilbert空间上的Lipschitz半压缩映像的具有误差项的Ishikawa迭代序列收敛于不动点的充分必要条件。

We live in a business world that increasingly worships the great tribal god innovation, lyrically hailing it not just as a desired, but as a necessary condition of a company's survival and growth.

我们所处的商业社会更是将创新奉若神明，不仅将其作为渴望的目标，更是将其作为公司生存和成长的必备条件。

Supposeis two-dimension random variable, is unity density function and marginal density function leave each other, then sufficient and necessary condition for independence of and is: for all real values ,there are .

Theorem 3.3 设是二维连续型随机变量，分别是联合密度函数与边缘密度函数，则相互独立的充要条件是：对任意的实数，都有。

The so-called maximum principle is the necessary condition for an optimal control, one of the most principal and most commonly used approaches when facing a optimal control problem.

最大值原理，即最优控制满足的必要条件，是处理最优控制问题时最重要也是最常用的方法之一。

Thus, on this line of reasoning, existence isn''t a great-making property because it is not a property at all; it is rather a metaphysically necessary condition for the instantiation of any properties.

因此在推理的这根线上，因为它根本不是一个性质，存在不是一个大做的性质；它是为任何性质的实例化的一个先验地必要的条件。

It is clear that a necessary condition for the function y which makes the integral a minimum is that it be a Equation.

第一章 科技英语单句写作显然，函数y使该积分为最小值显然，函数y使该积分为最小值的必要条件是它应该是尤拉方程的一个解。

This is the centralized monarchy a necessary condition.

这是实现君主集权的必要条件。

The algorithms based on two necessary condition is monotone decreasing, for multi-extreme point in solution space, the distribution of final codebook seriously depend on that of initial codebook, it is difficult to cast off if get in local optimality.

然而这些算法本身属单调梯度下降算法，在解空间存在多极值点时，最终码书的分布较大依赖初始码书分布，一旦落入局部最优区域，很难摆脱。

The sufficient and necessary condition for holding the control system robust stability was analyzed in the presence of the process multiplicative uncertainties.

同时，对于实际生产过程中常见的被控过程乘性不确定性，分析了系统保持鲁棒稳定的充要条件。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。