理论上的

At first, starting point and hypothesis used to establish yield criterion of powder metals have been comprehensively and profoundly investigated and then the stress at the location of porosity has been supplementarily defined, Moreover, on the basis of Mises's yield criterion, author proves that yield surface of powder metals is a rotative ellipsoid surface in principal stress.

因此，关于粉末体塑性加工理论问题的研究，引起了人们极大的关注。本文在分析国内外大量文献基础上，着重对粉末体塑性理论中的屈服准则和流动应力进行了理论分析和实验研究。

The above results not only fasten the acquaintance of psocid molecular toxicology and enrich the content of evolution and genetic variation,but also contribute to development of molecular diagnostic technique for psocid resistance in field and pave the way for designing new insecticides and develop new strategies for pest management.

研究的内容和结果，不仅在理论上深化了对书虱分子毒理学的研究，充实生物进化及遗传变异的研究内容，在实践上可以为开发害虫抗性分子检测技术、制订延缓抗性发展和抗性治理方案等提供了重要的理论指导。

The measurement system error model analysis is introduced into power system real time network state analysis as an important part for the first time, which can improve on the state estimation quality and provide the capability to monitor the operation of the measurement system; 2. The theory and algorithm of the on-line estimation and update of measurement noise variance based on the relation between the residual variance and noise variance. The statistic properties of the sample variance are discussed and the relation between the estimation precision and sample size under given confidence level is derived; 3. The theory and algorithm of detection and identification of measurement bias are presented, which is based on the relation between residual mean and noise mean. The statistic properties of sample mean are discussed and the relation between estimation precision and sample size is derived; 4. The Givens orthogonal transformation algorithm is selected to be the essential algorithm of state estimation, the fast orthogonal transformation algorithm with damp factor and the algorithm which can handle the zero injection measurements efficiently are presented; 5. The quantity analysis theory of bad data detectivity and identifibility are presented, which describes the relation between the elements in matrix W〓 and bad data amplitude and can provide the theory base for measurement system design and valuation.

一、首次将量测系统误差模型分析做为一个环节引入电力系统实时网络状态分析中，为EMS系统增加了实时监视系统运行、修正量测系统误差模型的新功能，进一步发挥了实时网络状态分析应用软件的潜力；二、首次提出了应用样本方差在线估计与修正量测系统误差方差的基本理论，讨论了样本方差的统计性质和概率分布，推导出了样本容量、估计精度和置信度之间的关系，给出了在线估计与修正量测系统误差方差的算法；三、首次提出了应用样本均值在线检测与辨识量测偏差的基本理论，讨论了样本均值的统计性质，推导了样本容量、估计精度和置信度之间的基本关系，给出了在线检测与辨识量测偏差的算法；四、在状态估计算法设计中，以Givens变换算法做为基本算法，提出了快速正交变换阻尼因子法和可以有效地处理零注入量测的混合法，并对实时应用中的一些问题进行了讨论；五、提出了不良数据可检测性与可辨识性的定量分析理论，揭示了描述量测系统配置、网络结构与参数的残差灵敏度矩阵中的元素与不良数据的幅值在可检测、可辨识能力上的定量关系，为量测系统配置设计与评价提供了理论基础；六、综合国内外最新研究成果，采用自适应自回归预测技术和稀疏矢量技术，构造了较完善的不良数据检测与辨识算法。

In theoretically, the hot spot model of plasma ignition is studied, it can describe the ignition behaviors at a qualitative level and analyze all sots of effects.

理论上，研究了等离子体"过热点"点火理论模型，可以对等离子体点火过程进行定性地描述，分析点火过程中的各种效应。

The hot spot model of plasma ignition is studied , it can describe the ignition behaviors at a qualitative level and analyze all sots of effects .

理论上，研究了等离子体"过热点"点火理论模型，可以对等离子体点火过程进行定性地描述，分析点火过程中的各种效应。

So the study on maneuvering target tracking based on the new progress in statistical inference theory is of academic and realistic significance.

因此，在最新统计学习理论发展的基础上，研究机动目标的跟踪理论与方法具有重要的理论和现实意义。

Under theory analysis , I put forward the research mode and research supposal . Combined with the theory of knowledge creation 's process , the paper put forward the influence factors ' theory frame model of knowledge creation .

在理论分析的基础上，提出了本文的研究模式和研究假设，并结合知识创造过程理论提出了知识创造水平影响因素的理论框架模型。

Therefore,to regard political culture aspolitical subjective quality,which is different from political theory,will breakthrough the traditionary ideas.

因此，把"政治文化"看成是政治主体素质，使其与政治思想理论区别开来，是"政治文化"研究上的理论突破。

Based on the argumentation of the phenomenologists of Edmund Husserl, Jean-Paul Sartre, Jacques Derrida and Michel Henry, this article attempts to analyze the meaning of self-awareness and its position in the self-awareness theory of phenomenology, clarify how consciousness is aware of itself, and then throw light on the relation between self-awareness and alterity.

本文立足于胡塞尔、萨特、德里达、亨利等现象学家的论述，尝试着剖析&自身觉察&概念的意义及其在现象学自身意识理论中的地位，进而在理论上澄清意识如何向它自身显现，即意识如何觉察它自身，或者说，意识如何被给予它自身；并在此基础上对&自身觉察&与&他异性&之间的关系加以探讨。

Based on the current theoretical model of EDFA, an approximative model is presented.

2在已有的EDFA理论模型的基础上，推导了一种近似理论模型。

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说，如果是/否的问题回答f可看的价值观念在许多最有限坐标，然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明：基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小，它既能去除奇异点，又能保持图像中目标的边缘不变性，具有很好的滤波效果。