查询词典 two-party system

Two orthographic views obtained are mapped on to a new coordinate system in two dimensions.

在二维空间，求出两相交三角形的交线段，其集合就是两曲面交线的逼近。

A new mathematical model is put forward numerically to simulate the wheel ovalization.. In the numerical simulation, the dynamic model of a half railway vehicle coupled with a tangent track is employed. Using the new numerical method investigates vehicle-track coupling system dynamic responses including lateral and vertical displacement of wheelsets and the vehicle, lateral and vertical vibration acceleration of the track at different phase angle of the two side wheels of the same wheelset, which are compared with that of the traditional model. The numerical results show that the discipline and frequency of dynamic responses are accordant, amplitude and phase of lateral dynamic responses are different. It is concluded the traditional track geometric irregularity excitation model does not simulate the effect of periodic wheels ovalization on vehicle-track coupling system dynamic behavior truly, the new model is more accurate and reasonable.

本文研究了车轮二阶周期性非圆化—椭圆化，建立了一个新的模拟车轮椭圆化的数学模型，结合车辆－轨道空间耦合动力学模型，计算了同一轮对左右车轮不同相位和车轮椭圆度下轮对和车体的横、垂向位移，钢轨横、垂向振动加速度，并与传统模型计算结果作了对比，分析表明两种模型的动力响应变化规律和频率一致，但横向动力响应幅值和相位均存在不同程度不可忽略的差异，因此传统的轨道几何不平顺激励模型不能真实模拟车轮的周期性椭圆化对车辆－轨道耦合动态行为的影响，而本文模型更能反映实际椭圆车轮与钢轨接触情形，计算方法准确而合理。

However, there were few reports on the changes in perioral muscle pressures following RME treatment and retention and none domestically.In this study, a new perioral muscle measuring system was invented to measure the values and changes in cheek and tongue pressures before, after treatment and retention in order to supply experiment foundation and theoretical guiding for clinical research and treatment.The study consisted of two parts as follows:In the first part, we invented a new perioral muscle measuring system.

此后学者们进行了广泛的动物实验和临床观察，其中RME的治疗及保持是临床医生非常关注的问题，但RME引起的口周力变化以及这种变化与RME治疗和保持的关系鲜有报道，国内尚未开展此项研究。

Though studying the rate of permeable salt of two-pass reverse osmosis system,the effects of feed water pH value, permeant flux ,feed water conductivity on the permeable salt rate of the system are analyzed and the change regular of permeable salt rate along with the three factors is summarized.

以二级反渗透系统的透盐率为研究对象，分析了给水pH值、产水通量、给水电导率对系统透盐率的影响，总结了透盐率随三个因素的变化规律，比较得出了其中给水pH值对透盐率的影响最大的结论，且给水pH值为弱碱性条件下的透盐率最低

Examination of the equilibrium status of a point in the salt water zone and the description of piezometric heads at two points in both the salt water and fresh water zones reveals that the location of the fresh water-salt water interface in a coastal homogeneous, isotropic unconfined aquifer can be estimated based on piezometric heads at two points in the same vertical line tapping respectively the salt water zone and the fresh water zone (from the water table to the interface) when the groundwater flow system is in a steady state and satisfies the Dupuit assumption.

通过考察咸淡水界面之下咸水带任意点的压力平衡关系和咸水带及淡水带任意点的水头描述得知，当地下水流处于稳定状态且满足Dupuit假设时，可以根据同一垂直线上界面之下咸水带任意点的咸水测压水头和界面之上淡水带任意点的淡水测压水头确定滨海均质各向同性潜水含水层咸淡水界面的位置。

The book superintendence system is a classical information management system, it develops the establishment and maintenances and the front end application programs of the cardinal including postscenium data nbank to develop two sides.

图书管理系统是典型的信息管理系统，其开发主要包括后台数据库的建立和维护以及前端应用程序的开发两个方面。

Two kinds of fireextinguishing facilities,including wet pipe system in the winding corridor and preact system in the basement,are installed in order to meet the needs of various use functions and different fire areas of the Library of Shenyang Architecture and Civil Engineering University.

为了满足沈阳建筑工程学院新校区图书馆的不同使用功能和建筑专业划分防火分区的需要，设置了两种自动喷水灭火系统。

There are two parts of work in this thesis. One is to simulate intelligent PID control method based on the poloidal field power supply system of TOKMAK, the other is to design and commission the power supply control system of the equipment for producing acetylene from coal pyrogenation by hydrogen plasma.

本文主要包括两部分内容，一是基于托卡马克装置极向场电源的控制仿真研究了智能PID 控制方法，二是氢等离子体裂解煤制乙炔电源控制系统的设计和实验调试。

The solution in the reactor has uniform inner heat source, and there are tiny air bubble built, the whole system is running by natural convection and the driving of air bubble. The gas-liquid two phase flow and heat transfer are mutual effecting to become the complex pyrology system.

堆内溶液是一个具有均匀内发热源，并伴随有微小气泡均匀生成的自然对流和气泡驱动同时作用下的三维复杂两相流动的物系，气液两相流流场与传热温度场相互作用，产生复杂的热工水力现象。

This paper describes two methods of proving the equivalent transformsr theoremapplicable to a composite microwave trasmission system composed of two homoge-neous transmission lines and an interconnected lossless quadripole.

对于适用于含有两条均匀传输线和一个介入无耗四端网络的复合微波传输系统的等效变压器定理，本文叙述了两种证明方法。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。