查询词典 square paper

As a case study of Tongyu county,Jilin Province,This paper established the indicator system of ecological security on agricultural sustainable development,determined the weight of the indicator by the method of mean square deviation,and evaluated ecological security on agricultural development among 1985, 1990,1995,1998,2001 and 2004 by using the model of ecological security.

以吉林省通榆县为例，构建了县域农业可持续发展的生态安全评价指标体系，采用均方差法确定了评价指标的权重，对研究区1985、1990、1995、1998、2001、2004年6个时段的农业生态安全进行了评价。

This paper founds a comprehensive assessment model by contrasting different assessment methods. And it makes certain assessment index system. Then it calculates the assessment index by using mean square deviation decision-making comprehensive analysis method.

通过对比水资源承载力的各评价方法，建立了综合评价模型，确立了评价的指标体系，利用均方差决策综合分析方法计算了评价指标的权重。

A significantly high precision with a root mean square deviation of 1.67℃ has been achieved by the approach introduced in this paper,which shows the advantages of synthetically utilizing multi-satellite data.

由于陆地表面远比海洋表面复杂，陆地表面温度反演一直是热红外遥感研究中的一大难题。

A new compression algorithm of historical data is presented from the mean square error of view in this paper and compared with the well-known swinging door algorithm developed by OSI Software Inc.

文章基于均方误差的设计思想，提出了一种新的历史数据压缩算法、给出其详细步骤，并和OSI软件公司开发的旋转门算法进行比较。

The paper deals with the mean square value of dynamic loads for automobiles with two degrees of freedom by means of random vibration theory and derives an analytieal formula according to Jordan lemma.

运用随机振动理论，研究了二自由度汽车车轮的动载荷均方值，由约旦复变函数引理，推出一个解析公式。

In the candidate face preprocessing sub-system, the algorithm proposed in this paper first filters the candidate face so as to eliminate the noises, and then extends in gray level up to adjust the contrast of image, and finally uses histogram equalization to adjust the mean value and square difference of images, realizing the gray level normalization.

2对于侯选人脸区域图象预处理子系统；首先对侯选人脸区域进行滤波以去除图象噪声，再做灰度拉伸以调节图象的对比度，然后用直方图均衡调节图象的均值和方差，达到灰度归一化的目的。

The author interpreted the determinant rule of bad measuring data while power system is in stable state, and implemented the smoothing transition of the measuring results of electrical parameters through curve fitting based on least square while the load in power system is in fluctuation in this paper.

本论文阐述了电网稳态情况下的粗差判定准则，并采用基于最小二乘为准则的二次函数曲线拟和来实现电网负载波动情况下电参量测量值的平滑过渡。

The binary and ternary VLE data of mesitylene, o-ethyl-methylbenzene and 1, 2, 4-trimethylbenzene was measured in this paper and they passed the check of thermodynamics. Then along with the binary and ternary VLE data, the least square method was used to solve vapour-liquid equilibrium model.

采用高温汽液平衡釜测定均三甲苯、邻甲乙苯及偏三甲苯的二元及三元气液平衡数据，并进行热力学一致性检验；采用最小二乘法并结合汽液平衡数据关联汽液平衡模型。

The stopband error of prototype filter is used to be the objective function for optimization. Instead of the method of least square approximation, this paper introduce the method of best uniformity approximation.

选择低通原型滤波器最大阻带衰减为优化的目标函数，通常的优化目标函数选用最小平方逼近的方法，本文提出了使用最佳一致逼近的方法。

The aim of this paper is to answer the query on the foundation of quantum mechanics advanced by Tao Zongying in articles,Acta Mathematica Scientia,1982,2(2):183～192 and Acta Photonica Sinica,1997,26(9):769～770.It is shown,based on the globalism concept in quantum mechanics,that Landau and Lifshitz′s momentum probability distribution function of a particle in a one dimensional infinitely deep square potential well is correct,and that Pauli and other′s distribution function is incorrect.The problem of mome...

本文回答了文献1～2对量子力学提出的疑问基于量子力学的整体性概念指出，Landau和Lifshitz给出的一维无限深方势阱中粒子的动能概率分布函数是正确的，Pauli等人给出的概率分布函数是不正确的从量子测量理论的角度讨论了一维谐振子的动量概率分布问题，并且指出势能大于本征能量的概率不为零并不表示存在负动能的概率分布区域

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐