查询词典 difference coefficient

Firstly, we prove the existence and the uniqueness of the hyperfocal subalgebra when the coefficient field is split for a defect pointed group; then, considering the structural pattern of source algebras over arbitrary fields, by means of G-acted groups, we reduce the existence and the uniqueness of the hyperfocal subalgebra over an arbitrary field to the case that the coefficient field is split for a defect pointed group and the inertia group stablizes a hyperfocal subalgebra.

首先我们证明了如果系数域对亏点群是分裂的，则源代数的超聚焦子代数存在且共轭唯一；然后通过考虑任意域上源代数的结构模式，以G-作用群为手段，将超聚焦子代数的存在性和唯一性归结为系数域对亏点群是分裂的情况下惯性群稳定的超聚焦子代数的存在性和唯一性。

Abstracting the edge information of the picture first, carry on coefficient to revise to it; The coefficient characteristic after varying according to the small wave, there is the intensity of imbedding the watermark of adjustment that is chosen, make the robust getting excellent and inobservance raise.

先提取图像的边缘信息，对其进行系数修正；又根据小波变换后的系数特性，有选择的调整嵌入水印的强度，使鲁棒性和不可见性都得到了提高。

Applying integral intermediate value theorem, new effective elasticity modulus expressions were presented, which creep aging coefficient can be calculated by the creep coefficient of intermediate time of incremental time segment. Creep and shrinkage strain were treated as a kind of compulsive strain. Compulsive strain methods were used for the analysis of creep effect and shrinkage effect about concrete curved box-girder bridge.

根据积分中值定理，推导了增量时间段中点时刻徐变系数等效弹性模量的计算式；将徐变和收缩应变视为强迫应变，推导了强迫应变法计算混凝土梁桥的徐变、收缩效应的分析方法，写出了混凝土桥梁的徐变、收缩时效分析有限元列式，并将此方法应用到曲线箱梁桥的时效分析中。

Studied the mechanism of interior loss factor of structral subsystems and accoustic subsystems. Studied the composing and methods of calculating interior loss factor of some normal subsystems like beams and plates. And analysised how to get the acoustic subsystem interior loss factor from sound absorption coefficient and air attenuation coefficient while no actural model of vehicle to test.

三、分析结构元件和声场内部损耗因子机理，研究将SEA方法应用到车辆系统时对于一些常见梁板子系统的内部损耗因子的构成和计算方法，以及在没有实际车型无法进行实测时，根据表面吸声系数和空气空间能量衰减常数进行理论计算声腔内损耗因子的方法，并利用SANTANA2000车型的实例进行实测对照。

Analyzing the problems on the industrial structure in Peripheral Zone of Bohai Sea with structure similar coefficient and product specialization coefficient, and measuring the level of interlocal division of labor by the index of location quotient square-error( LQS[2]), as a result, in the manufacturing structure there exists duplication to some extent, while in the manufacturing products structure, the duplication is less serious.

从结构相似系数和产品专业化系数两个指标分别分析环渤海地区产业结构问题，用区位商方差(LQS[2])测度区域内工业行业的区际分工程度。分析表明：该区域制造业结构虽存在相当程度的趋同现象，但产品结构趋同程度较弱，基本不存在同构问题。

A formula of rock resistant coefficient is derived based on unified strength theory, which can be adopted to obtain rock resistant coefficient in other situations or strength thoeries simplified by assuming the parameter value in the formula. The strength differential effect, intermediate principal stress effect and the ground water permeation effect are considered in the formula.

基于统一强度理论，将巷道围岩视为多孔介质，考虑地下水渗流作用的影响，推导出了巷道围岩抗力系数计算统一公式，改变公式中的参数可以退化为其他围岩条件或者其他强度理论条件下的围岩抗力系数计算公式。

Applying integral intermediate value theorem, new effective elasticity modulus expressions were presented, which creep aging coefficient can be calculated by the creep coefficient of intermediate time of incremental time segment.

根据积分中值定理，推导了增量时间段中点时刻徐变系数等效弹性模量的计算式；将徐变和收缩应变视为强迫应变，推导了强迫应变法计算混凝土梁桥的徐变、收缩效应的分析方法，写出了混凝土桥梁的徐变、收缩时效分析有限元列式，并将此方法应用到曲线箱梁桥的时效分析中。5。

MAIN OUTCOME MEASURES: Intrasession and intersession coefficient of variation, intraclass correlation coefficient, intratest variability, and test-retest variability.

主要观察指标：期间和期间内的变异系数、组内相关系数、测试间变异性和测试-再测试结果的变异性。

Based on the analysis of the influence to the testing result induced by the roller parameters, such as the diameter, attachment coefficient and locating angle, the thesis proves that, through construction of a mechanics model of the rig to calculate the biggest braking forcing which can be detected, the detectible braking force has a direct ratio with the roller attachment coefficient and a inverse ratio with the cosine of the locating angle.

在分析了汽车滚筒反力式制动检验台的滚筒直径、滚筒的附着系数及安置角对检测结果影响的基础上，通过建立力学模型计算汽车滚筒反力式制动检验台所能检测到的最大汽车制动力得出结论：汽车滚筒反力式制动检验台所能检测到的制动力与滚筒的附着系数成正比，与安置角的余弦成反比。

In every period, do the following operations:# For each 8*8 block, do the discrete cosine transform, then take out direct current coefficient in each block, using the transformation above for each DC coefficient, the gold stands for the code of the spread-spectrum we use when embedding the different watermark bit in different frames, after all of the watermark information which we want to embed is embedded, then do the inverse discrete cosine transformation, and store the current frame in a new file.

于是利用DCT变换域的这点重要的几何不变性，我们可以推导出一种能够抵抗几何攻击的视频水印算法，即将所需要嵌入的水印信息以127位扩频序列作为辅助，以求和值形式嵌入到DCT变换后的每个宏块的每个DC系数当中，具体嵌入和提取算法如下：根据使用的扩频序列的长度N，基于相关的嵌入器需要选取包含N帧的视频子序列，令这N帧视频子序列作为一个嵌入周期，对于每N帧视频子序列做如下的操作，#即对于每个8×8的像素块进行DCT变换，然后取出每个DCT变换后的直流分量，对于每个DC系数，做如上所述的变换，其中gold为在第k帧中嵌入第i位水印信息时使用的扩频码字值，待将所有需要嵌入的水印信息全部嵌入后，再做反DCT变换，保存当前帧。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样