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Not considering the restriction of the depot s transporting ability in the existing achievement of emergency dispatch, consequently, this chapter establishes a sole-resource optimized dispatch model aimed at "the shortest dispatch time" which includes the constraint of transporting ability under time restriction firstly. Moreover, the chapter deduces the algorithm of the model by mathematical induction step by step. Secondl y, it simplifies the former model and gives a simpler sole-objective model and corresponding algorithm including the constraint of transporting ability. At last, on the basis of the improved model, this chapter discusses a two-phase programming model and a multi-objective programming model which are aimed at "the shortest dispatch time" and "the fewest number of mobilized depots" including the constraint of transporting ability under time restriction.

由于现有应急调运的研究成果中没有考虑到各物资供应点受运输能力的约束，因此本章首先建立限制期内以"应急调运时间最短"为目标且含有运输能力约束的单物资调运优化模型：并利用逐步递推法推导出具体的求解算法；然后，进一步地将此模型及算法进行简化，建立更加简单的含有运输能力约束的单目标优化模型：并且讨论其算法；最后，在改进的优化模型的基础上，讨论限制期内含有运输能力约束且以"调运时间最短"、"出动的供应点数目最少"为目标的双层规划及多目标规划的优化模型及解法。

The article remarks that in order to modernize our country's agriculture,it is necessary to set things to market,then to industrialise and,in modern logical order,to promote step by step from lower levels to higher ones.

要从根本上解决我国的农业问题，最基本的途径是实现农业现代化。认真地研究和探索我国农业现代化发展中存在的矛盾和问题，对于加速实现我国农业现代化，无疑具有十分重要的意义。

Passed away my infantility step by step,my infantility encouraged me..

一步一步走过昨天我的孩子气，我的孩子气给我勇气。。

This book leads you step by step to learn how and when to use the infinitive.

本书带你一步一步慢慢深入探讨不定词的用法。

Current step will be used and input data for next step.

当前步骤将被用来和输入数据的下一个步骤。

Furthermore, the step-by-step input flow makes usage straightforward, gaining quick results to drive decision-making.

此外，一步一步输入流，使用法简单，快速获得结果，以推动决策。

I have provided step-by-step instructions on how to do it.

我所提供的循序渐进的指示，就怎样做。

The important task of the exquisite physical chemistry course construction is to make good of the hardware of modern education technology,to develop the potential of the existing and high-quality teaching resources,to increase the network information,to abide by the principles of intellectualized navigation,scientificity,complementarity,interaction,flexibility,feasibility,scalability,artistic quality,instructiveness,stability and step by step,etc,integrate and make the network teaching materials normative overall and beneficial to the students.

精品课程建设要求逐步建立能使广大学生受益的网络教学资源，只有这样才能挖掘出现有教学资源的潜力和最大化地利用现有优质教学资源。为此，我们充分利用现代教育技术的良好硬件环境，在原有工作的基础上，增加更多的网络信息，全面整合和规范物理化学课程的网络教学资源，并以此作为精简授课学时、激发学生学习兴趣和学习动机、提高教学效果的一个重要途径。1网络教学在物理化学教学中的作用网络的时空无限性不仅构筑了新的人类生存空间，也构筑了新的教育空间。

A system with various layers including insurance for medical care, supplementary major expense insurance, commercial medical insurance has been established step by step.

在这其中，由于医疗保险制度比其他社会保险与人民的健康和生命质量的关系更为密切，因此也更加受到各国政府和人们的关注。

The weakness of fixed step-size is that step-size is not variable regardless the curvature of each point of the integral curve change or not, which will affirmatively bring serious error in these points that the value of curvature is bigger. And, this kind of error will accumulate in calculating process.

定步长的缺点在于不管是积分曲线的各个点的曲率如何都取一样的步长，这样肯定会在曲率大的一些点带来比较严重的误差，这种误差将在每一步的计算中积累。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。