查询词典 numerical system

Based on this, the stability of periodic motion was discussed, and the bifurcation and chaotic motion of the system with clearance was researched by using Poincare map and numerical simulation.

在此基础上，进行了周期运动的稳定性分析，研究了系统随参数改变出现分叉和通向混沌运动的途径。

Numerical experiments show that the method efficiently computes the almost periodic solution of the system.

数值结果表明，此方法可以在要求的精度内计算出Lotka-Volterra系统的概周期解。

Meanwhile, this paper systematically summarized the present fractional-order control theory results distributed mostly in such aspects as continuous and discrete time domain analysis, approximated numerical analysis, common frequency domain analysis, plane locus method based on variable transposition, etc, and became an effective foundation of forming a complete control and system theory for fractional-order control systems.

同时，论文对当前国内外已有的分数阶控制理论成果进行了较为系统的整理，主要集中在连续和离散时间域分析、近似数值分析、一般复频域分析、基于变量变换的平面根轨迹分析等方面，具有综述性质，是建立一套完整的分数系统控制理论与系统理论的有效基石。

The main interference source of plasma numerical control system is the power supply unit.

等离子数控系统最主要的干扰源是电源部分。

In order to prove the prepossessing techniques can be applied to analyze the real-world data effectively, a numerical example of simulation for a ten-degree- of-freedom system was employed to test the identification capability of prepossessing techniques under different noise levels.

为了验证本文提出之前处理技术可有效地应用於真实世界资料，文中透过一个十自由度系统，在加速度的量测条件下，加入不同的杂讯用以测试前处理技术抵抗杂讯的能力，并针对其识别结果之准确性做一综合性的比较。

A 5-layer numerical model with p-σ incorporated coordinate system and primitive equation is used to simulate the effects of convergence flow anomaly over the Northeast Pacific on the subtropical high over the West Pacific ocean.

1 引言西太平洋副热带高压是东亚季风系统的重要成员之一。夏季我国东南部地区旱涝天气的出现往往和西太副高的异常进退密切相关。

The mathematical model of coal-bed methane seepage is established considering slipped effect, giving the weak form of the differential equation based on the principle of virtual displacement, hereby writing FEPG program. Using FEPG system's all the source program of the finite element which considers the mathematical model of coal-bed methane seepage of slip effect the numerical solution is sought.

建立考虑滑脱效应的煤层气渗流数学模型，给出了基于虚位移原理的微分方程的弱形式，据此编写了FEPG程序，利用FEPG系统生成了考虑滑脱效应的煤层气渗流数学模型有限元问题的全部Fortran源程序，并进行了数值求解。

The lattice was deformed as a particle system using advanced numerical methods, and the hairs were animated using quadratic B-Spline interpolation.

晶格被作为一个粒子系统采用数学方法变形，毛发采用2次B样条插值方法绘制。

Further steps needed writing or some other system for recording numbers such as tallies or the knotted strings called quipu used by the Inca to store numerical data.

进一步的必要步骤书面或其他系统的记录数据，如统计或打结的字符串称为quipu使用的印加来存储数字数据。

The effects of standard deviation of random variables and system size on computational accuracy are investigated by several numerical examples and two points estimate method are recommended when computational accuracy and execution time are considered in a comprehensive way.

数值仿真分析了随机变量标准差和系统规模对点估计法计算精度的影响，并指出在综合考虑计算精度和计算时间的情况下，2点估计法的结果令人满意。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。