查询词典 three-body problem

Three subjects about the sci-tech park construction, agriculture, entironment and technology were proposed. Some problems were pointed out, such as inaccurate localization, pool maneuverability, unscientific programming, pool drive power and incorrect relationship between the park and farmers. Furthermore, Pharisaism, without regard to economic benefits and vast government action are still serious problem existing.

提出了园区建设要突出农业、生态、科技三大主题，也指出目前园区中存在的问题，如规划定位不够准，可操作性不强；园区规划不够科学，园区的辐射带动作用不强，没有妥善处理好园区与农民的关系；存在形式主义，为园区而建园区，不讲经济效益，政府行为较重等。

The software has the following features:(1) it includes large deformation theory based on S-R decomposition theorem first time as well as one based on polar decomposition theorem for comparison the latter is included by most commercial finite element software;(2) three design methods for nonlinear mechanical problem i.e.

采用飞箭软件公司的有限元程序自动生成系统作为软件开发平台，进行"深部软岩工程大变形力学分析设计系统"的合作开发工作。

It is a difficult problem in three-dimensional DDA to detect the contact between arbitrary shape polyhedral blocks.

块体间高效而正确的接触判断，是实现三维块体系统非连续变形分析方法计算的关键。

three-point boundary value problem,positive solution,cone

本文主要讨论四阶三点边值向题{U"'"'一f'，"('"+g'，"('"，'eo，''，Lu(0=au，u=0，aull一月u，，，(0)=0，7ull(1)+叙邢(1)~0，其中。0，在了，g同超线性，或一超线

The problem of manufacturing resource discovery and selection is divided into three steps: manufacturing resource discovery, manufacturing resource preelection and manufacturing resource selection.

4将制造资源发现与选择问题划分为三个阶段：制造资源发现、制造资源预选择以及制造资源选择。

He stressed that only the press gallery of the ceiling collapsed, and only two or three ceiling problems, so the problem is not serious.

他强调，只有记者席的天花板倒塌，而且只是两三天花板有问题，所以问题不严重。

My paper divides into three parts: The first part includes Chapter 1, Chapter 2. The Chapter 1 is mainly the brief description to the task study background, study meaning, method frame and relevant concept. Chapter 2 is mainly to conclude primal problem and challenge of planning in this kind of residential area by the analysis of existing circumstance to low-rise and low-density residential area of Chongqing suburb.

论文分为三个部分：第一部分包括第一章、第二章，第一章主要就课题研究背景、研究意义、方法框架以及相关概念进行简要的叙述；第二章通过对重庆郊区低层低密度住区的现状分析，归纳出该类住区规划面对的主要问题与挑战。

Aiming at the problem of coarse footmark surface with severe noises, based on the in-depth analyzing geometrical relationship and differential characteristics of the three-dimensional footmark impressing surface, we propose a principal curvature and principal direction based impressing surface segmentation algorithm and a multi-scale fusion algorithm to segment the stereo footmark.

针对立体赤足迹表面粗糙、噪声严重的特点，深入分析立体足迹三维表面的几何关系和微分特性，提出了基于曲面主曲率和主方向的立体足迹压力面分割算法和多尺度融合算法，分割结果理想并与领域知识吻合。4。

In this paper, three-dimensional elastic-plastic contact problem of the wheel/rail system is solved using the finite element parametric qua...

提出用轮轨接触的轮周位移计算蠕滑率的新方法，并对在各种参数下所得到的蠕滑率进行了分析比较。

We'll separate the course into two parts, that is, the introduction of the main topics in experimental psychology （ including psychophysics, perception, attention and reaction time, conditioning and learning, remembering and forgetting, thinking and problem solving, individual differences and development, social influence, environmental psychology, and human factors ）, and the laboratory through which students will be asked to know to use E-prime to design and program experiments and to conduct a classic study and a real study by a group of three or four people.

一是实验心理学主要内容介绍，包括心理物理学方法、知觉、注意和反应时、条件反射和学习、记忆和遗忘、思维和问题解决、个体差异和发育、社会影响、环境心理学和人格等；二是实验室实践，学生将学会如何利用 E-prime进行实验设计及实验程序的编写；此外，学生将以3~4人为一小组重复一个经典的心理学实验，并在此基础上设计完成一个新的实验。

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。