查询词典 theory model

The relation between value and theoretical spheroid accumulation model has been gained with the help of interfere theory and fracture theory.

为了预估沥青胶浆的综合作用，提出了等效体积增强原理，基于该原理得到的预估值与实测值相关性较好。

Firstly, Flow patterns which related with the characteristics of measurement have been studied with both the time series analysis and density wave theory, which lay a solid foundation for oilAvater two-phase flow measurement Then a theoretic model of oil/water two-phase flow measurement based on stationary density wave theory has been brought up.

论文首先研究了与测量特性有关的油水两相流流型问题，基于时间序列分析和密度波理论分别得到了流型表征结论，为进一步从测量的时间序列波动信号辨识流型奠定了方法基础。

The model this paper deals with is a flow line of two machines. By means of structured stochastic matrix theory and theory of Markov process, an effective algorithm obtaining the variance of end products in a given period is proposed.

讨 论的模型为两级的串行生产线，利用结构随机矩阵理论和马氏过程的协方差结构，给出了在一个给定时间区间内系统生产成品数方差的有效算法。

In this thesis, using the qualitative theory and stability theory of ordinary differential equation, we study the global stability of equilibrium, existence and uniqueness of limit cycle for a predator-prey model with sublinear functional response function.

本学位论文利用常微分方程定性理论和李亚普诺夫稳定性理论的基本方法，研究了具次线性功能性反应函数的食饵-捕食者模型的平衡点的全局稳定性，极限环的存在性和惟一性。

The introduction of local supersymmetry on worldsheet results in the Ramond-Neveu-Schwarz model, and global supersymmetry in the ten-dimensional spacetime directly yields the Green-Schwarz superstring. The Green-Schwarz superstring theory is a covariant theory.

这两种描述方式的不同点是：Ramond-Neveu-Schwarz超弦理论在超弦的世界面引入局域的超对称，Green-Schwarz超弦理论是在十维时空中直接引入超对称，它是一个协变的理论。

Oscillation theory of ordinary differential equations in the theory of differential equations is an important branch, it has a profound background of the physical and mathematical model.

常微分方程振动性理论是微分方程理论中的一个十分重要的分支，它具有深刻的物理背景和数学模型。

Based on the chaotic characteristic of time series of power loads and combining the phase space reconstruction theory of chaotic time series and regression theory of supporting vector machines, a short-term load forecasting model based on chaotic characteristic of loads and least squares SVM is built.

以负荷时间序列的混沌特性为基础，结合混沌时间序列的相空间重构理论和支持向量机的回归理论建立了一种基于负荷混沌特性和最小二乘支持向量机的短期负荷预测模型。

Activity Theory' was initiated by Lev Vygotsky（1978）in the 1920s. He created the idea of mediation. Following to the activity theory, Leont'ev (1981) structured the general context model into six elements: Subject、Tool、Object、Rules、Community and Labor Division.

活动理论是俄国心理学家Vygotsky（1978）所提出的，强调主体必须透过工具才能达成客体目标，并架构人类基本活动的六个元素：主体、中介工具、客体、规则、社群与分工。

In this paper,samples as a sensitive issue in two kinds of random survey answered model,from two angles of a large sample theory and a small sample theory respectively,the estimates obtained by the quantity of unbiasedness ,effectiveness,consistency of the strength of the areas of evaluation and assessment are to survey it is reasonable and effective.

以敏感问题调查中两种随机化回答模型为例，分别从小样本理论和大样本理论两个角度，对所得到的估计量进行无偏性、有效性、强弱相合性等方面的评估，从而评价此种统计调查方法的合理性和有效性，最后给出两种模型的实例分析。

In view of the shortcoming of the road project risk sources' unconventionality in our country, using Dempster-shafer theory, the paper established a decision-making model based on risk benefit theory.

针对传统风险源异常防治措施决策方法中的不足，借助Dempster-shafer理论，建立了一个基于风险效益理论的决策模型。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。