查询词典 combinatorial problem

ECC is set up on the basis of solving this mathematics difficult problem of the Elliptic Curve Discrete Logarithm Problem.

椭圆曲线密码体制建立在解椭圆曲线离散对数问题这一数学难题的基础上。

"The problem is how to motivate managers to disgorge the cash rather than investing it below the cost of capital or wasting it on organizational inefficiencies." The solution to this problem can, in some circumstances, be debt financing.

323的方式表达："问题是如何激发管理者交出现金，而不是投资于低于资本成本或者浪费在组织机构的低效率上"这个问题的解决方案，在某种情况下，是融资债券。

But can we thought, my real problem is not economic issues is not the problem of racial disharmony.

但是我们是否可以思考，我国真正的问题不是经济的问题也不是种族不和谐的问题。

In the past years, the settlement to the problem has been mostly bottom disposure: the means only transforms waste from one form to another, and the waste doesn"t disappear from the earth or is reused in the new flow, thus this can"t resolve the problem ultimately.

近几十年，对这一矛盾的解决主要还是停留在废物的末端治理上，但从长远看，这种方法只是将废物从一种形式转化成了另一种形式，该废物并没有从地球上消失，也很少被重新利用进入新的流程，所以这种方法是治标不治本的。

Based on the given results of second order boundary value problem, the existence of solutions of nonlinear boundary value problem of Volterra type integro-differential nonlinear equation was established. The uniquess of solution was obtained by applying disproof method.

以二阶边值问题的已知结果为基础，建立了Volterra型积分微分非线性边值问题的解的存在性，再利用反证法获得了解的惟一性。

Based on the shortest path problem and classical absolute center model, an algorithm of absolute center problem is discussed, by using the least distance matrix and the optimum path matrix.

在最短路算法和传统的绝对中心点模型的基础上介绍了一种利用最小距离矩阵和最优路径矩阵求取绝对中心点的算法。

Therefore, a control problem of distributed parameter systems is simplified to a control problem of a linear system.

再次，证明了管式反应器具有可控性，应用最优线性二次型调节器方法对该系统进行控制，将分布参数系统这一特殊的、复杂的系统的控制问题简化为一般线性系统的控制问题，同时，提出了一种将分布参数系统这种非线性系统的控制问题转化为一般线性控制理论进行控制的方法。

The problem of distributive justice is a very important problem of theory and reality in economic ethics.

分配正义问题是经济伦理学中一个十分重大的理论和现实问题。

Efficiency and fair problem are problem of income distributive core.

效率与公平问题是收入分配的核心问题。

It researches on the approach to achieve continuous connections of container multimodal transport logistics system. Based on the idea of continuous connections the paper discusses the container transport choosing route problem. It combines the appropriate adimensionalize method in the appraisement method and mathematic model and resolves the problem that the unit of time and cost disunite and sets up the time-cost transportation route optimizing model which is an innovation on the basis of previous studies and gives an example to validate the model using the LINDO software.

在"无缝衔接"的思想下研究集装箱运输路径选择问题，在前人的研究上进行了创新，将评价方法中的合适的无量纲化方法与数学模型结合，解决了时间和成本单位不统一的问题，建立了时间—成本运输径路优化模型，并举例验证应用LINDO软件进行求解，说明了此模型的正确性。

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。