查询词典 mathematical analysis

objective to investigate law of development of chrysomyia megacephala in natural condition,and to probe its application in forensic medicine.methods rate of development and total effective temperature of chrysomyia megacephala were observed,recording the result and statistical analysis.results two equation of linear regression（y1=0.430 8+0.237 1x,y2=75.684 6-1.444 7x） were established between the total effective temperature and the length or weight of chrysomyia megacephala.conclusion it can be used to estimate the time of death in forensic medicine practice depending on the mathematical model from the effective temperature.

目的 研究大头金蝇在自然条件下的发育规律，探讨其在法医学中的应用。方法对大头金蝇在自然条件下的发育速度及有效积温进行观察、记录和统计学处理。结果确立了y1=0.430 8+0.237 1x，y2=75.684 6-1.444 7x 2个有效积温与蛆长和蛹体质量的线性回归方程。结论在自然条件下用积温法建立起的大头金蝇发育数学模型可应用在法医学死亡时间推断中。

It can be predicted that the development of taekwondo in China has been in a favorable circumstances. On the other hand, we should realize that there are some problems and defects in the development of taekwondo. With the method of documentary compilement, logistics, interviews and mathematical statistics, this article make a detailed analysis on the roots,statement and problems of the taekwondo rapid development in China. Form two aspects of athletics taekwondo and mass taekwondo, the author makes the deep study and search for feasible countermeasures, proposals and theory basis for the healthy, orderly, sustainable and virtuous development of taekwondo in China.

本文旨在通过文献资料法、逻辑分析法、访谈法、数理统计法等方法对影响我国跆拳道运动的发展的社会学因素、目前我国开展的情况及存在的若干问题进行分析，从竞技跆拳道和大众跆拳道两方面着手进行深入研究并寻找对策方案，为今后能更好的推动跆拳道运动在我国健康，有序的发展提出建议，为我国跆拳道运动可持续发展提供理论依据，以形成我国跆拳道运动发展的良性循环。

The content of this thesis contains the overview of the waste incinerator site selection problems and multi-criteria decision making theory, the development of a flamework for multi-criteria siting selection process, the establishment of evaluation factors, the completement of an expert decision support system for a waste incinerator site selection model, and the empirical application of a real world waste incinerator site selection existing in Taichung City.Keywords : NIMBY Facility、 Expert Decision Support System、 Combinatorial Optimization Mathematical Programming Models、 Multi-criteria Decision Analysis、 Analytic Hierarchy?Process 、Multi - attribute Utility Function MAUF

先以区位可行性筛选方式进行分析，并结合数学规划模式与多属性效用评估方法进行垃圾焚化厂区位选择之多准则评估作业；（3）评估项目阶层架构之研拟，并由专家问卷获得评估因子权重值及评估指标操作定义，以进一步建构专家知识库；（4）建立一焚化厂区位选择专家决策支援系统，以辅助规划及决策人员进行垃圾焚化厂区位选择之方案评估作业；（5）最后针对台中市设置垃圾焚化厂设施的区位选择问题进行本专家决策支援系统之操作。

The paper also advances the improving arithmetic contrapose the analysis hereinbefore.The paper develops the integrated systems simulating mathematical model to make the simulation and study of characteristic and control of ship electrical propulsion on this condition.

利用各个子模块数学模型构建了完整的船舶电力推进系统仿真模型，在此基础上进行了船舶电力推进特性与控制的仿真研究。

A mathematical model of optical axis fitting is put forward here. The model combines analytic method and numerical analysis method together with consideration of the actual decentration measurement.

提出一种光轴拟合的数学模型，该数学模型结合了解析方法和数值分析方法，考虑了中心偏测量的实际情况，在严格的数学模型基础上做了合理的简化。

In this paper, taking one 1900t/h supercritical pressure once—through boiler installed in East boiler company as subject investigated, analyzing the structure and characteristic of unit, from the mechanism of units, based on the law of quality conservation, energy conservation and momentum conservation, having Lagrange fluid particle tracing idea in hydrodynamics field application in analyzing of unit operational characteristic, author build up the nonlinear distributed parameter general dynamic mathematical model of single-phase heating surface or diphase heating surface in the steam-water system for supercritical pressure once—through boiler, which is suitable numerical calculation and simulation for large scale disturbance and full working conditions change, and enough materializing distributed characteristic of thermodynamic parameter in process and time lag characteristic of energy transportation in tache. The transient responses curve of the system main variables under several disturbance are computed by Computer Simulation for the model, and theoretical analysis shows that the simulation results are reasonable.

本文以东方锅炉集团公司的一台1900 t /h超临界压力直流锅炉为研究对象，在分析机组结构和特性的基础上，从机组的工作机理出发，以质量、能量、动量守恒定律为依据，将流体力学领域中的Lagrange流体质点追踪思想用于机组运行特性的分析上，建立了适用于超临界压力直流锅炉汽水系统单相、双相受热面的非线性分布参数通用动态数学模型，该模型适合于大扰动全工况变化的数值仿真计算，充分体现了过程热力参数的分布特性和环节中能量输送过程的时滞特性，并对模型通过计算机仿真得出各种扰动下系统主要变量的响应曲线，从理论上分析了仿真结果的合理性。

On this foundation, the article changes a model to be with distensible Marx value further consult basically, to western scholar the analysis turns the mathematical method of body problem and Baotekaiweici study the tradition undertook reviewing analyse.

在此基础上，文章进一步以扩大的马克思价值转化模型为基本参照，对西方学者分析转形问题的数学方法和鲍特凯维兹研究传统进行了评析。

Research methods such as documental data, investigation, comparative analysis and mathematical statistics have been adopted in this article.

在第八届世界健美操锦标赛中，我国的六人操取得了第三名的好成绩，成为世界健美操界中一支不可忽视的生力军。

Kinematic data were obtained from the fluoroscopic images and analyzed with an inverse dynamic mathematical model of the cervical spine that was developed for this analysis.

通过对荧光学透视片获得运动学数据，并用反函数动态数字模型对颈椎的发展进行分析。

According to the Stress Wave Theory on explosive exploding propagating in the rock, it builds up mathematical model of fractural ranges in the rock, and carry out actual calculation and analysis on fractural range of bench shooting in deep-hole.

根据炸药爆炸在岩石中传播的应力波理论，建立岩石爆破破裂范围数学模型，并对深孔梯段爆破破裂范围进行了实行计算分析，计算结果为：混装乳化炸药岩石深孔梯段爆破侧向底部破裂范围为1.9m。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。