查询词典 mathematical notation

Study on thought of constructivism is very significance to guidance of mathematical teaching in secondary school.

研究建构主义思想对中学数学教学的指导是非常有意义的。

In this paper, with the framework of non-equilibrium thermodynamic separation theory, a mathematical model of nonlinear chromatography is established according to the actual chromatography processes based on the three basic theorems, Lagrangian-Eulerian description, continuity axiom and local equilibrium assumption.

本文在梁恒等建立的非平衡热力学分离理论的框架下，以Lagrangian-Eulerian描述、连续性公理和局域平衡假设三大基本法则为基础，建立了一种制备色谱理论模型。

By using modern mathematical theory,the ordering axiom is generalized tothe lattice-order axiom,and the continuity axiom is weakened to constructlattice-order decision-making behavior axioms,of which rationality is confirmed.

应用现代数学理论，将Von Neumann-Morgenstern理性行为公理体系中的全序刻划推广为格序刻划，并相应地弱化连续性公理，建立起新的格序决策行为公理体系，研究了该公理体系的合理性。

In this paper, a mathematical moder for the flow exchange between tributary and main channel is proposed based on water equilibrium and flow continuity condition.

事实上，支流对干流洪水有调蓄作用，对陡涨陡落的溃坝洪水而言，这是不可忽视的重要因素。

They are theory base of physical model and mathematical model.Secondly, we should start with Navier-Stokes equation and equation of continuity.

首先，通过丁坝回流理论和回流计算公式的探讨，分析丁坝回流产生的原因以及回流强度的影响因素，为物理模型和数学模型的建立提供理论基础。

According to continuity principle of flow, law of conservation of mass and Darcy's law, the dual medium mathematical model of unsteady flow in fissurekarst artesian aquifer is established, and the finite volume method is adopted to get the solution, taking Longgang district in Shenzhen as an example to verify this model.

根据水流连续性原理、质量守衡和达西定律，建立了裂隙-岩溶承压含水层非稳定流双重介质数学模型，采用有限体积法对其求解，并以深圳龙岗区为例对模型进行验证。

The book is divided into 14 chapters, including Introduction, continuous control system theory, process and discrete sampling, Z transform, sampled-data systems, discrete approximation of continuous system the equivalent, based on mathematical transform the classical design method, based on state space pole placement design methodology, multi-variable system of quadratic optimal control, quantitative effects, the choice of sampling period, the digital control system modeling, digital control system for a variety of design methods, variables quadratic optimal control systems, sampling cycle of selection, non-linear control of the problem, as well as digital control system, a typical application - Disk drive servo control design.

全书共分14章，内容包括概论、连续控制系统理论、采样过程和离散化、Z变换、采样数据系统、连续系统的近似离散等效、基于数学变换的经典设计方法、基于状态空间的极点配置设计方法、多变量系统的二次型最优控制、量化效应、采样周期的选择、数字控制系统的建模问题、数字控制系统的各种设计方法、变量系统的二次型最优控制、采样周期的选择、非线性控制的有关问题，以及数字控制系统的一个典型应用——磁盘驱动器的伺服控制设计等。

The term "continuity" is drawn from an analogy with the notion of a continuous function in mathematical analysis.

术语"连续性"是从数学分析里的连续函数观念的类推中描绘出来的。

In first part,The Theory and Simulation on Reconstruction Algorithms,webuild a well-defined mathematical model for OCT,on which we prove more than 10theorems,analyze and answer a series of significant questions about OCTreconstruction,from existence, uniqueness,continuousness,stability to sampling,resolution,ill-posedness and accuracy.

在上篇重建算法的理论与实践中，我们将OCT抽象为基于n维Radon变换的数学模型，从而分析、讨论、回答了从存在性、唯一性、连续性、稳定件到采样条件、分辨能力以及病态特件和重建精度等一系列在理论和了OCT的重建理论体系。

The X-R control chart drawed by mathematical statistical method were introduced.3. The control chart was applied to the control of aerobic bacterial count in the quick-frozen dumpling.

研究将单值移动极差控制图应用于速冻汤圆菌落总数监控中，通过判断监控过程是否正常，可以起到预防控制作用，避免潜在危害的发生，从而促进食品生产企业提高卫生水平，确保产品质量。

Tom: You are right, he worked hard all the time.

你是对的。他一直都是努力工作。

Take shortcomings,failures,and mockings of others as commonplace and a drive to complete oneself,hold your own opinion over the evalution and disscution divested from others,afterwards sink into the state of eliminate mistakes if any or encourge oneself being not being influenced by the sayinngs of others or having no ideas to do.

把缺点、失败及别人的耻笑等看成是一种常事，当成完善自己的动力，对别人的评价和议论自己心中有主见，做到&有则改之，无则加勉&，不为人言所左右或无所适从。