查询词典 three-body problem

From the practice of teaching, this paper explores the problems on poem teaching. Such as: Saying any thing all from books,grasping poem impractically and doctrinally,lacking the direction of methods on enjoying a poem,no training about writing,the fourth problem is only put forward. This paper analyses the causes and gives the tactics on the problems of the first three.

本文从教学实际出发，探讨了诗歌鉴赏教学中"吊书袋"的问题、整体把握的空洞与教条的问题、欣赏方法的指导的欠缺问题、诗歌写作尝试的空缺问题，对前三个问题分析了其产生的原因以及应对策略，对第四个问题只是提出而已。

Part Two discriminates the Ex-Soviet Marxist Philosophy and Western Marxists' Marxist Philosophy, intent on expounding the fact that the Ex-Soviet Marxist Philosophy simply sticks to, dogmatize and even mechanize the Marxist Philosophy. In parallel this section makes a systematic exposition of Western Marxist Philosophy from three aspects, i.e. the philosophical meta-problem, philosophical methodology and ideology.

第二部分通过对前苏联马克思主义哲学观和西方马克思主义的马克思主义哲学观的辨析，旨在阐明前苏联的马克思主义哲学观是对马克思哲学观的僵化、教条化、机械化的理解；并从哲学元问题、哲学方法论两个方面阐述了西方马克思主义的马克思主义哲学观。

Genetic algorithm and three kinds of hybrid genetic algorithms are presented for parallel machines earliness/tardiness production line scheduling problem.

三。对并行机器生产线提前／拖后调度问题提出了遗传算法和三种混合遗传算法（基于进化交叉的遗传算法、基于模拟退火的遗传算法、基于进化交叉及模拟退火的遗传算法）。

We discussed the coupled generalized BBM equations with pseudodifferential operator in Chapter three.In this chapter we get the global existence for the Cauchy problem by Banach-fixed point theorem ,a priori estimates and Sobolev embedding theorem.

第三章讨论了具拟微分算子的广义BBM方程组，通过Banach不动点定理、解的先验估计和Sobolev嵌入定理得到了解的整体存在性。

Through assuming the income is the function to the individual effort and the educational investment in the growth period, endogen the income into the model, and add the spiritual utility that brought by education level of three generations and the cost of individual effort into the utility function, thus more deeply analyze the problem of family education choice under the intergenerational transfer and intergenerational utility.

通过设定收入是成长期个人努力和教育投入的函数，把收入内生到模型中，并在效用函数中加入三代人的教育水平带来的精神效用，以及个人努力的成本，从而更深入的分析了存在代际转移和代际效用的家庭教育选择问题。

This article is based on the problem of development that high and advanced technology companies must face. According to detailed investigation on the adjustment of the structure of products and condition of management that all the data come from a typical case named Chongqing Ketai Company in the latest three years,the writer analyses the serious problems that arise from the duration of the adjustment on the structure of products. First,Ketai Company lacks the modem management and distribution conception,all the goods it owns are short of escutcheon,Second,the company are in great need of nuclear technology and products that are opened out by its own efforts.

本文以中国近年来发展迅速的高新技术企业所面临的发展问题为背景，通过对一个典型案例——重庆科泰公司近三年的产品结构调整情况和经营情况的调查，结合该公司所处的行业背景、经济环境及公司自身的实际情况，全面分析了科泰公司在产品结构调整中出现的重大问题：第一，落后的营销观念，缺乏品牌意识。

This paper contains three sections:In section 1,this paper introduces the background and the research results of assets evolution equation and the optimal control problem.And some preliminaries and main results are presented.

本文共分三节：第一节，介绍了资产发展方程以及最优控制问题的研究背景及现状，给出了预备知识及本文的主要结果。

The thesis takes three chapters. It gives prominence to the dynamic construction process of value-cognition structure, stresses that Marx is not a passive thought container. His early thought is not a passive excrescence to be imperatively get rid of, but it's a positive pre-structure to understand the world. This pre-structure as a internal, basic and continually developed value-recognition structure that enable knowledge and ethics to be possible, stipulates an agreement on the path and direction of his last thought development. So Marx said:"The problem is not to rule off an impassable gap between the past and the future, but is to realize the past thought."

本文采取三篇结构，突出马克思价值-认知结构的动态建构过程，强调马克思早期思想不是需要摆脱的消极赘生物，而是理解世界的一种积极的"前结构"，这种"前结构"作为一种内在的、基础性的和连续发展的、使知识和道德成为可能的价值-认知结构，规约着马克思以后思想发展的路径和方向，以致连马克思本人也认为"问题并不在于从思想上给过去和未来划下一条不可逾越的鸿沟，而在于实现过去的思想。"

At present, the National Development Bank, Export-Import Bank of China and Agricultural Development Bank of China, three policy banks, such as how to adapt to the new situation and resolve new problems, our country is on the theoretical and practical work in front of one of the urgency of the problem.

当前，国家开发银行、中国进出口银行和中国农业发展银行等三家政策性银行如何适应新形势、解决新问题，是摆在我国理论和实际工作面前的一个迫切性问题。

In the first chapter, author pointed out the three most importantproblems on the current analysis of figure in the existing piano extemporization improvisation books. The first problem is that it lacks of in-depth analysis on the fundamental theory on the figure of piano accompaniment improvisation.

本文第一章，笔者通过对现有钢琴即兴伴奏文献中有关伴奏音型部分的研究与分析，提出了目前存在的三个重要问题。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。