查询词典 numerical

Uses the numerical control technology the control system to be called the numerical control system.

采用数控技术的控制系统称为数控系统。

With the development of the technology of numerical control, the open system of numerical control has become an important develop direction.

随着数控技术的发展，开放式数控系统已成为一个重要的发展方向。

The validity of the numerical model and analysis method for roof MRD isolation system were verified by the comparisons between the results of the shaking table tests and numerical analysis.

最后进行了数值分析，并与试验结果进行了比较，验证了屋盖MRD隔震－升船机结构系统力学模型与数值分析方法的正确性。

The main results can beexpressed as follows:(1)Based on πtheory, some affected factors about wave forces are given, and therelation between affected factors and wave forces is analysised by experimentalresults.(2) The distribution of wave press at representative time and reflection nature aregiven and their variety charactes are discussed by experimental results.(3)By comparing the wave forces of quarter-circular breakwater and semi-circularbreakwater under the same wave conditions,some approximately wave forcesexpressions of quarter-circular breakwater are given.(4)Based on VOF method to trace water free surface,solve numerical value ofRANS equation,and get the distributions of flow field and wave press ofquarter-circular breakwater at the same time during one period,the mechanism ofwave force is also discussed elementarily.(5) Based on the result that RANS equation of numerical simulation agree wellwith experimental results,a new approach to study hydraulic natures of quarter-circular breakwater is provided.

其主要结论如下：一、通过π定理，确定影响波浪力的无因次参变量，根据试验结果对其影响因素进行分析；二、基于模型试验，给出典型时刻圆弧面防波堤的同步波压分布和反射特性，讨论它们的变化特点；三、通过相同条件下圆弧面防波堤与半圆型防波堤两种堤型试验波浪力的比较，给出了圆弧面防波堤波浪力的近似方法；四、利用VOF法追踪自由水面，数值求解RANS方程，得到圆弧堤堤体周围的流场和压力场，初步分析了速度涡流与压力场的相互影响；五、对比数值分析与试验结果，探讨数值方法研究圆弧面防波堤水力特性的可行性，提供新的研究途径

With the development of the numerical value method, the simulation technology of numerical value analysis is applied widely and improved.

数值计算方法的迅速发展使得数值模拟技术得到广泛的应用和提高。

At the same time calculation of numerical value is a necessary link solving the linear system of equations, which is a very important question in calculation of numerical value.

数值计算是科学计算中的一个必不可少的环节，而在数值计算中，一类很重要的问题就是线性方程组的求解。

Computers need numerical value change between binary system,octal system and decimal system The fortran77 is used in the programming to perform the numerical value converting.

计算机需要数制转换，计算机内部使用二进制，二进制八进制十进制之间的数制转换，FORTRAN77编制，围绕二进制与小数，解决二进制八进制十进制之间的数制转换 2。

Computers need numerical value change between binary system ,octal system and decimal system The fortran77 is used in the programming to perform the numerical value converting.

计算机需要数制转换，计算机内部使用二进制，二进制八进制十进制之间的数制转换，FORTRAN77编制，围绕二进制与小数，完成二进制八进制十进制之间的数制转换

After inlet model s three dimensional structural grid was generated, proper numerical scheme and onflow model were choosed, then numerical computation on flow field of inlet was taken, finally the better results were got.

通过建立三维结构化网格模型，选择合适的数值格式与湍流模型，对进气道流场进行数值模拟，得到了合理的结果。

Key words: numerical control machine tool; numerical control machining; opposite clearance; vector operation; precompensation

关键 词：数字控制机床；数控加工；反向间隙；向量运算；预补偿

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。