查询词典 three-body problem

A couple of tasks including digit span memory, dot memory , digit span working memory, visuo-spatial working memory and Stroop experiment are used to investigate working memory. Language analogical reasoning and graph analogical reasoning are examined via the primary school students" reasoning ability test and Raven"s standard progressive matrices. Three mathematical-word-problem questionnaires for the primary school students were compiled by the author and had been proved with satisfying internal consistency of reliability.

用数字记忆广度任务、点记忆任务、数字工作记忆广度任务、视空间工作记忆任务和Stroop实验考查工作记忆；用小学生推理能力的测定和瑞文推理测验分别考查言语类比推理和图形类比推理能力；自编了小学生数学应用题问卷三套考查应用题解题能力，通过检验表明，该三套问卷具有较好的内部一致性信度。

A German study found that well-rested volunteers performed problem-solving tasks three times better than sleep-deprived volunteers.

德国一份研究报告发现，充分休息的自愿者执行解决问题的任务的效率，比睡眠不足的自愿者高上三倍。

The research in this field mainly focuses on three respects: the application in engineering, numerical analysis and the well-posed property of the given problem.

自由边界问题是偏微分方程研究领域中的一个主要研究方向，有着非常广泛的实际背景，如在流体力学、化学反应过程、金融数学以及物理中的相变问题等研究领域就存在大量的自由边界问题。

In sum, three aspects about reconstruction based SR algorithm, such as image registration, regularization which makes ill-posed SR problem well-posed, and blur identification, are investigated in this dissertation, and ICA is used in learning based SR algorithm to realize HR face hallucination and recognition.

综上所述，本文针对基于重构的超分辨率问题的三个方面：图像配准、将病态的超分辨率问题转化为良态的规整化及盲模糊辨识三个方面进行了研究；将独立分量分析运用到基于学习的超分辨率中，实现了超分辨率人脸假想与识别。

Unit Two: The Economic Problem ;Unit Three: Economic Systems;Unit Four: Demand and Supply; Unit Five: The Price Mechanism ;Unit Six: The Organization of Business ;Unit Seven: Money and Banking ;Unit Eight: Population ;Unit Nine: Income and Work ;Unit Ten: The Government and the Economy .

第二单元：经济问题；第三单元：经济体系；第四单元：供给与需求；第五单元：价格机制；第六单元：商业企业的组织形式；第七单元：货币与银行；第八单元：人口；第九单元：收入与工作；第十单元：政府与经济。

In this paper, associated with the key problem of 550kV SF6 high voltage circuit breaker which is used in GIS of three Gorges project, the mathematical models of static electrical field and one-dimensioned and two-dimensioned gas flow field during the overall breaking process in arc chamber of circuit breaker are developed. On the basis of gas discharge theory, the criteria to judge the interruption success is determined.

本文结合长江三峡550kV GIS中SF6断路器的科技攻关项目，建立了断路器开断过程中灭弧室内静电场、一维气流场、二维气流场的数学模型；根据气体放电的基础理论选定了衡量断路器能否成功开断的标准，并通过一维和二维气流场的有机结合，有效地解决了原二维气流场计算软件无法计算有载开断的难题，具有较强的工程实用性。

Against the compound transformation problem of existed shield tunnel under construction of foundation pit of the Beixinqiao station in Beijing No.5 subway line, by ANSYS, combining with geological condition and according to the different working condition, three-dimensional numeric models are built and the emulation of the construction process is carried on.

针对北京地铁五号线地铁车站基坑施工条件下既有盾构隧道的复合变形问题，基于ANSYS，结合场地的水文地质和工程地质条件，按照不同的工况建立了三维数值模型，并进行了施工过程的模拟通过对结果的对比和分析，揭示了在不同施工状态下，基坑周围土体、支护结构及既有盾构隧道之间相互作用的过程和机理，以及由此引起的围岩变形的分布与变化规律。

The suit upper and lower solution were constructed, and existence and unique of solutions of linear three-point boundary value problem for third order nonlinear differential equation were obtained.

同时，构造适当的上下解，得到了三阶非线性微分方程的三点线性边值问题的解的存在性与惟一性。

In section 2, we study the existence of sign-changing solutions of some three-point boundary value problem by the cone theory and the fixed-point index theory.

本文利用不动点指数定理研究了如下两种二阶微分方程多点边值问题变号解的存在性，同时分别得到了一个正解和一个负解。

Firstly in§2.1, by applying the fixed point theorem the existence of positive solutions for second-order three-point boundary value problem is discussed.

第二节，运用不动点定理研究四阶两点边值问题正解的存在性。

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。