查询词典 value distribution theory

This article made a detailed analysis of the types, levels and spatial distribution characters of tourism resources in Hangzhou, applied index R to make a quantitative analysis of the spatial distribution pattern, and used topological index in graph theory to make a qualitative analysis of its spatial structure.

本文具体分析了杭州市旅游资源的类型特征、等级特征和空间分布，用最邻近指数R对其分布形态进行了定量分析，并运用图论学中的有关拓扑指数对其空间结构进行了定量分析。

Based on percolation theory , truncated Weibull distribution is used as the pore throat distribution function, a two phase and 3 dimensional quasi-static network model is established to simulate the primary oil displacement and secondary water flooding of reservoir cores.

结合逾渗理论，采用截断威布尔分布作为孔喉特征分布函数，模拟储层岩心的初次油驱过程和二次水驱过程，建立了油水两相三维准静态孔隙网络模型；通过模型计算与试验结果的对比，验证了孔隙网络模型的有效性。

A theory of power distribution of velocity is introduced on the distribution of the static pressure and hole flow rate.

本文通过对径向流体分布器沿程静压分布和小孔流量分布的分析，提出了幂函数速度分布理论。

In Chapter 5, based on Atabek's theory, both velocity distribution and pressure distribution for the viscous fluid's nonlinear motion are gained. a nonlinear cochlear model with pure tone excitation is thus established.

在第五章中，根据Atabek的理论，导出了粘滞流体非线性运动的速度分布和压力分布，并由此建立了纯音激励时的非线性耳蜗模型。

In this paper, arrangement scheme of a novel multi-star phase shifted pole changing coil was given and the methods to determine coil split ratio were analyzed. According to electromagnetic theory, 2D electromagnetic mathematical model in which stator windings were spitted coil was developed, and magnetic field distribution of the novel motor at starting was solved by finite element method, starting performance of motor was calculated. Based on energy method, rotor slot leakage reactance under different poles and different loads were calculated, and the variation of rotor slot leakage reactance with loads was gotten. Based on time-step finite element method, distribution of branch current in stator windings and operating performance were calculated and analyzed when branch was unbalance, the method to calculate circulating loss in stator windings of novel multi-star phase shifted pole changing motor was given, and the effects of the loads variation and degree of unequilibrium on circulating loss in stator windings were calculated and analyzed.

论文系统的给出了采用分裂线圈法新型多星形移相变极绕组的排列方案，进一步分析线圈分裂比的确定方法；根据电磁场理论，建立了定子为分裂线圈绕组的电机二维电磁场数学模型，并采用场路耦合法求解了新型多星形移相变极电机起动时的磁场分布，计算了电机起动性能和基于能量法计算了不同极数下起动时转子槽漏抗和不同负载时转子槽漏抗，得出转子槽漏抗随负载变化的规律；采用时步有限元法计算分析了定子绕组支路不平衡时支路电流的分布情况及运行性能，给出了新型多星形移相变极电机定子绕组环流损耗的计算方法，分析比较了负载的变化和支路不平衡度大小对定子绕组环流损耗的影响。

The paper analyses optimal switching devices in the distribution networks, sets up a model to decide to judge types and numbers of switchs in proper location of distribution networks and applies to partical swarm optimization to compute. The simulation system is constituted with matlab. The paper discusses and analyses theory of fault location ,excogitates a synthesis matrix algorithm and an algorithm based on GPRS for fault location and isolation.

本文对配电网开关优化配置进行了分析并建立了数学模型，应用粒子群优化算法来确定配电网馈线相应位置的开关种类和数量并进行了matlab仿真；对故障定位的原理进行了详细的讨论和分析，研究出了故障定位的综合矩阵法和一种基于通用分组无线业务的配电网故障定位与隔离的方法。

This paper adopted relief map and TM, SAR image, impaling the image disposal technology of Remote Sensing and the space analysis technology of Geography Information System, and combining landscape ecology theory to analyze the effect of flooding before and after 1998 on soil salinization. The analysis includes several aspects such as quantity, spatial distribution and landscape distribution of salt and alkaline land in Zhenlai County.

本文采用地形图和SAR、TM影像，运用遥感图像处理技术、地理信息系统的空间分析技术，结合景观生态学理论，从盐碱地数量、空间分布和景观格局几个方面分析了1998年洪水前后镇赉县盐碱地景观的动态变化，进而揭示洪水对土壤盐渍化的影响机制。

First, he deviates from traditional Marxist theory on fundamental force driving social development and tries to replace social revolution with moral revolution; second, he misreads traditional Marxist views on the principle of self-ownership and fails to notice that traditional Marxism is against this principle; third, he misreads traditional Marxist views on criticizing unequal distribution of production materials in capitalist society and thinks that traditional Marxism advocates equal distribution of productive materials among all social members.

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From FEM, the contact stress obeys the semi-ellipse distribution and the Mises stress and shear stress are also consistent with contact mechanics theory, but there exists offset or deflection in the symmetric lines of stress distribution, which originates from tooth bending deformation.

由有限元方法得到的渐开线轮齿的接触应力符合Hertz理论中的半椭圆分布规律，Mises应力和剪应力分布也符合接触力学理论，但应力分布的对称中心存在偏离或者偏斜现象，分析认为，是由于轮齿弯曲变形造成的。

Distribution of Direct Drive Type Solenoid Valve The distribution of direct-action solenoid valve works: it is a direct-acting and pilot-style combination of theory, when the entrances and exits when there is no differential pressure, electricity, the electromagnetic force directly to the pilot valve and main valve off small pieces turn up raised, the valve opens.

分布直动式电磁阀分布直动式电磁阀的工作原理：它是一种直动和先导式相结合的原理，当入口与出口没有压差时，通电后，电磁力直接把先导小阀和主阀关闭件依次向上提起，阀门打开。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。