查询词典 halving method

The invention discloses an ecological engineering regulation method for fast reducing salinity of a sand coated district which belongs to the marine solonchak improving method technical field.

本发明公开了一种砂涂区土壤快速降盐的生态工程整治方法，属于滨海盐土的改良方法技术领域。

The invention discloses a determining method for the plastic contraction stress of the cement base material, which can be applied to the measuring method for the plastic pressure of the cement base material and the analogous materials such as calcareousness, gypsum, soluble glass, magnesium matter gel material, clay, etc in the plastic condition.

本发明公开了一种水泥基材料塑性收缩应力的测定方法，可用于水泥基材料及其类似材料，如石灰、石膏、水玻璃、镁质胶凝材料、粘土等，塑性状态下的塑性收缩应力的测试方法。

Vector is an important mathematical tool for the study, the method is the use of vector algebra vector solution to the issue of three-dimensional geometry of a convenient method, space vector as the new content, in dealing with space issues have considerable advantages space than the original problem to deal with more flexibility.

向量是数学研究的一种重要工具，向量的方法是使用向量的代数方法去解决立体几何问题的一种便捷的方法，空间向量作为新加入的内容，在处理空间问题中具有相当的优越性，比原来处理空间问题的方法更有灵活性。

This paper introduces the principles of sound intensity method and the application of the method to measure the noise of the fan.

该文介绍了声强法的原理和通风机噪声的声强测量方法，有一定实际应用价值。

According to breeding objective and the study on characteristics of wild southernwood resources, the plant types of southernwood were directionally screened by derived system method and group mixed method, the selected population were purified and their characters were identified, the variety comparative tests in muti-sites for many years were conducted for the purified types that passed identification.

方法］根据育种目标和对青蒿野生资源特征特性的研究，采用派生系统法和集团混合法对青蒿植株类型进行定向筛选，对中选群体进行纯化和性状鉴定，对通过鉴定的纯化类型进行多年多点品种比较试验。

An approach was presented to evaluate fundamental frequency of bridge piers based on the combination of Rayleigh method and Southwell method.

在瑞利法和Southwell频率合成法的基础上导出了桥墩复合振动基频的计算公式，将基频表示成各惯性元和复原元所组成子系统的频率合成。

This chapter defines the conceptsof P linear operator,〓 linear operator and 〓 linear operator by extending theconcepts of P matrix,〓 matrix and 〓 matrix to the linear operator from thelinear space of symmetric matrices to itself.In this chapter,we also present a path-following method and a potential reduction method for solving general linear matrixcomplementary problems,and analyzes their computational complexities undersuitable assumptions.

本章将第二章中给出的P矩阵、〓矩阵及P矩阵的概念推广到由实对称矩阵构成的向量空间到其自身的线性算子L上，得到了P线性算子、〓线性算子及P线性算子的概念，给出了求解一般线性矩阵互补问题的路径跟踪法和势函数约减法，并在L为P线性算子的假设下分析了这些算法的计算复杂性。

The main reason that this bridge hasn't been built wildspread is lack of profound structural research and majorized design method. This paper connected with the project Kaziwan Bridge in the Three Gorges Reservoir Zigui County is on the base of the subject"the Research of Committed Technic about Prestressed Concrete Chord-Stayed Truss Bridge".The purpose of this paper is to research the static and dynamic characteristic under different loads,define the value of the design parameter and induce the structural characteristic and majorized design method through creating and analysing the spacy finite element model.

本文以实际工程三峡库区秭归县卡子湾大桥为背景，以湖北省交通厅科研立项课题"预应力混凝土斜拉桁架结构关键技术研究"为依托，通过建立分析空间有限元模型，旨在研究斜拉桁架桥在各种工况下的结构静、动力特性，确定设计中关键性参数的合理取值，并从以上分析研究中总结出斜拉桁架桥基本的结构特性与合理的设计方法。

This Article introduces the harm and reason of the non ignition of the sparking plug , it proposes the diagnosis method and troubleshooting method on the non ignition of sparking pulg, as well as the key point of its application and maintenance.

根据火花塞不跳火现象的危害，阐述了火花塞不跳火的常见原因及其诊断方法，介绍了火花塞不跳火故障的排除步骤。

The sparse matrix canonical grid method is a numerical method that was developed recently.

稀疏矩阵规则网格法是近年来才被提出的一种数值方法。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。