查询词典 difference coefficient

From the view of"fairness"as the axis of abscissas, income distribution situated extremely fairness condition till'78 in China. On starting reform, Gini coefficient started to rise too. The difference between areas and between classes has become to be larger.

从家计合理化标准的横轴即"公平"的角度看，至78年中国的收入分配处于极端的公平状态，随着改革·开放，基尼系数开始上升，地区间差异拉开，同一城市内的阶层差异也拉开。

This paper gives an accurate inversion of matrix of coefficient which is derived fromsolving the boundary-value problem of biharmonic equation in rectangular region by meansof difference method.

将一个n阶电导矩阵实现为具有n+1节点的网络是一很重要的问题，并且引起了广泛的研究，本文扼要地介绍了有关电导矩阵的性质和一些己有的实现方法。

Plain scanning of intestinal wall was performed. CT values, contrast coefficient of enteric cavity and intestinal wall density, and difference in enteric cavity and intestinal wall density were measured 20 s, 30 s, 40 s, and 50 s after enhancement scanning.

同时测量平扫、增强后20 s、30 s、40 s、50 s 时肠壁的CT值，测量计算肠腔与肠壁对比程度最好时，肠腔与肠壁密度的CT值差值范围。

The distributed parameter model is changed into variable coefficient nonlinear stiff ordinary differential equations by central difference method.

运用中心差分法将分布参数形式的系统模型转换为一变系数非线性的刚性常微分方程组。

The paper also unveils the essential difference existing in the parallel conceptions of different coefficient domain.

构造、汇集了复变函数中的部分反例，揭示了不同数域内平行概念间的本质差异。

In the second part, we make the study of the application of Z-transformation when we solve linear difference equation bearing constant coefficient and transmission function in pulsing system.

第2部分："Z变换的应用"，主要通过上1章研究的Z－变换的逆变换和10个性质定理，研究了Z－变换在求解具有常系数的线性差分方程和脉冲系统的传递函数方面的应用。

SOD group was significantly better than U74389G group in coefficient of lung, SOD activity and apoptosis index,（P .01,P .05）. U74389G group was significantly better than SOD group in contents of MDA,(P .01), and there was no significant difference between U74389G group and SOD group in RAC.

SOD组在缓解肺系数、降低SOD活性及抑制凋亡方面优于U74389G组（P 。01，P 。05）；U74389G组在抑制MDA含量方面优于SOD组（P 。01），而两组间RAC差异无显著性。

The wavelet coefficient energy group of time-frequency surface has distinct difference for different swept extent.

储层的孔隙度和电阻率曲线间微差形态波形的复杂程度隐含着储层含油气性的信息，油层水淹程度不同，其时频平面上小波系数能量团存在着显著差异，随水淹程度加重，其能量团分布由复杂逐渐趋于简单单调。

In eight kinds of membranes we simulated, the diffusion coefficient value of Na+ and Cl- had much difference.

并对膜材料的结构单体与水和盐分子在膜内扩散系数相关性进行了分析与讨论。

My main production TSF Academy Soft Machine Tool belt and matching adhesive used primarily for machine tool guideways, abrasion resistance, static and dynamic friction coefficient of the difference small, not crawling, positioning accuracy, and has enough anti-aging and physical properties of mechanical is to improve the machining precision, extended service life Guide the best choice, the products applicable to all types of machinery and equipment manufacturing friction vice and maintenance.

我院主要生产TSF机床导轨软带与配套使用的胶粘剂，主要用于机床导轨，抗磨损，静动磨擦系数差值小，不爬行，定位准确，并具有耐老化和足够的机械物理性能，是提高机床加工精度，，延长导轨副使用寿命的最好选择，本产品适用于各类机械设备磨擦副的制造与维修。

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