查询词典 three-body problem

The existence of positive solutions for singular fourth order three-point boundary value problem was investigated.

1引言及预备知识二阶三点边值问题的研究是一个很重要的领域，最近几年的研究也很多。

He branched his treatment of the problem into three equal parts.

他把他的问题分成三个相等的部分处理。

According to transfer heat theory, by analyzing the main problem existing in furnace wall of industrial boiler among three aspects of merterial, bricklaying means and structural design, the relational calculating formula and solving methods are given.

针对工业锅炉炉墙在材料使用、砌筑方法、结构设计三方面存在的主要问题，依据传热原理，分别加以分析研究，给出了相关的计算公式和解决方法，对改善炉墙的综合技术性能有指导意义。

High voltage power transmission faces the problem of high altitude in China. In this paper, a mobile corona test cage is firstly applied to measure the AC corona audible noises of three types of transmission bundle lines in four areas with different altitudes. The effect on audible noise from altitudes was analyzed in details.

我国高压输电线路面临着高海拔特殊问题，利用可移动式电晕笼系统在4个不同海拔对3种导线进行了交流电晕可听噪声试验研究，得出了可听噪声海拔修正的初步结果。

The types of solution activities of Chi-chi were different in three different types of problem's situation: equal groups, Cartesian product and multiplicative comparison.

乘法问题的类型会影响琦琦解题活动的类型，也就是说，琦琦会选用不同的解题活动类型，来分别解决等组型、直积型与比较型乘法问题。

A new non-linear quadratic programming Bayesian prestack three-terms inversion method is developed; Firstly, this method is based on Bayesian parameter estimation theory, Gaussian distribution is used for likelihood function and modified Cauchy distribution is used for prior distribution; Secondly, covariance matrix is used to describe the degree of correlation between the parameters; rock physics relations are used to constrain the inversion results; at last, this method is transformed into non-linear quadratic programming problem, and inversion results are acquired under several constraints.

本文提出了一种基于非线性二次规划的叠前三参数反演方法。首先基于贝叶斯参数估计理论，假设似然函数服从高斯分布，并使待反演的参数服从于改进的Cauchy分布，从而提高了反演结果的分辨率；其次用协方差矩阵来描述参数间的相关程度，进一步提高了反演结果的稳定性；最后将问题转化为一个非线性二次规划的求解问题，并在多种约束下得到问题的解。

In this paper, the elemntary knowledge of oblique circulant matrix is described briefly and three inverse eigenvalue problems which a-re denoted by Ⅰ,Ⅱ,Ⅲ and best approximation problem which is denoted byⅣ on oblique circulant matrix are presented.

本文介绍了斜循回方阵的基本内容，提出了斜循回方阵的特征值反问题Ⅰ，Ⅱ，Ⅲ及其最佳逼近问题Ⅳ，给出了它们有解的充分必要条件及求解算法，并举出了相应的数值例子。

I immediately to a telephone call Clementi, Clementi said no problem, let me say for the good and after three days can be brought to a truck.

起初我对他的话没有多在意，后来有一天我去找一个在我们市公安局宣传科工作的文友交流作品，无意中听他大发牢骚，说局长最近给他下了任务，想让央视新闻，据说局长正在运动想往上面升职，急需这方面的宣传，我说我或许可以帮忙，我朋友大喜，我马上给金文打了电话，金文说没问题，让我和局长说好后，三天内可以来带一台采访车，两个摄像来我们市

TSP is brought forward and is transformed into shortest closed Hamilton loop of directed graph problem.Then three kind of algorithms of TSP is indroduced.

首先提出旅行商问题，并将其转化为最短有向图哈密尔顿回路问题，然后介绍了三种类型的求解TSP的算法。

This chapter also compare the beta coefficient of market index regression to beta coefficient of iron board index regression. Chapter three mainly discuss the current application of beta coefficient and problem when applied.

同时也做了钢铁板块上市公司β系数估计量的显著性检验以及用市场指数回归的β系数和钢铁指数回归的β系数的比较研究。

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。