查询词典 numerical system

The flow conditions in the outlet section of the suction box and in the entrance section of discharge passage are substantially different from those assumed in numerical computation, resulting in notable influence on hydraulic losses and pumping system performance.

研究发现，水泵叶轮旋转和导叶出口剩余环量与进、出水流道的内部流场相互作用，进水流道的出口水流条件和出水流道的进口水流条件与单独计算时的假定有本质不同，对进、出水流道的水力损失和装置性能有显著的影响。

A finite element numerical model for arch dam-gravity pier-foundation system was established to evaluate the effect of high gravity piers on the stress, deformation and anti-sliding stability of Sizhai arch dam, taking the following factors into account, such as the possible elastoplastic deformation of foundation rocks and the nonlinear interaction between the interfaces of gravity pier-dam foundation, the joint surfaces beneath the right bank, and the interfaces of arch dam-gravity pier.

摘要为评价高重力墩对四寨拱坝的应力变形和抗滑安全的影响，建立了拱坝－重力墩－地基系统的有限元数值模型，其中考虑重力墩－基础、右岸夹层和拱坝－重力墩等交界面的非线性相互作用，以及基岩材料的弹塑性变形行为。

In order to reveal the effects of the longitudinal spacing between the vehicles and vehicle number in platoon on the aerodynamic drag coefficient of vehicle platoon,the numerical simulation method was used to study the aerodynamic characteristics of 11 cases of a serial vehicle platoon in the intelligent transport system.

为了研究队列行驶时，车辆前后间距对队列行驶车辆气动特性的影响以及队列中车辆数目对气动阻力系数的影响，采用数值模拟方法分别对智能交通系统中队列行驶车辆11种不同情况下车辆的气动特性分别进行了研究。

An intelligent optimization system based on the above has been developed, and it is verified to be effective and practive through a great deal of numerical examples.

根据本文提出的方法及理论，在计算机上建立了一个能自动执行的智能优化系统，实际计算表明这一系统是有效的，实用的。

MCU tools of Sunplus contain the special and strong programmable numerical speech signal processing identify the function and the DSP operation functions, this system makes use of its strong speech function to carry on the speech report number and the recording playbacks towards stiring into the telephone namely.

以下为资料的部分内容，如需要全部资料请点击获取全文点击进入支付宝和网上银行快速付款通道也可咨询客服 QQ：893628136 QQ：136775125论文编号：JD981 论文字数：16113，页数：63

MCU tools of Sunplus contain the special and strong programmable numerical speech signal processing identify the function and the DSP operation functions, this system makes use of its strong speech function to carry on the speech report number and the recording playbacks towards stiring into the telephone namely.

以下为资料的部分内容，如需要全部资料请点击获取全文论文编号：JD981 论文字数：16113，页数：63

MCU tools of Sunplus contain the special and strong programmable numerical speech signal processing identify the function and the DSP operation functions, this system makes use of its strong speech function to carry on the speech report number and the recording playbacks towards stiring into the telephone namely.

分类： 电子电气单片机，机电，信息论文编号：JD981 论文字数：16113，页数：63

Finally, the results of some numerical simulations on art artillery position servo system verify the validity of the proposed approaches.

将本文提出的方法在火炮伺服系统中应用，证明了该方法的有效性。

Based on the characteristics of the DC traction power system in rail transit, a numerical model is set up to calculate the leakage current and the potential variation distribution.

摘要针对城市轨道交通直流供电系统特点建立了杂散电流的计算模型并进行了仿真。

In order to meet the demand of thermal design of modern machine tools, thermal model and thermal characteristics of high-speed spindle system in numerical control precision lathe were studied in detail using finite element method.

进一步计算主轴系统的热变形，并通过对主轴箱体散热筋板的合理布局和优化设计，有效降低了主轴头部的径向跳动和端跳误差，使其小于 2μm，均能满足设计要求。

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