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In this paper, a new medical impedance imaging modality (Magnetic resonance electrical impedance tomography-MREIT) is first introduced, including its mathematical theories and the reconstruction algorithms. Then its application in early breast cancer detection research is introduced in detail. Finally, its future research direction and major problems are summarized.

本文在此前提下介绍了一种高分辨率的医学电阻抗成像技术－磁共振电阻抗成像技术的成像原理与成像算法，然后介绍了MREIT技术在早期乳腺癌检测方向的应用，最后分析了该研究方向的发展前景以及目前存在的问题。

With the improvement of automobile electrical degree,more and more people begin to pay attention to the fault diagnosis methods and theories of electrically controlled system.

随着汽车电子化程度的日益提高，汽车电控系统的故障诊断方法和理论受到了越来越广泛的关注。

There's the gravitational force and the electromagnetic force which have been known for a long time for which there have been beautiful theories for a long time.

还有引力和电磁力已经知道了很长一段时间而有美丽的理论很长一段时间。

The work supports theories relating the electromagnetic force and the weak force .

这一工作支持了有关电磁力和弱力的理论。

So in some sense electromagnetics can be regard as one of the best theories of physics.

这说明电磁学即是一个古老、成熟的学科，又是一个活跃的研究领域。

And electromagnetics is also one of the sources of relativity theories.

电磁学在大学物理教学中，也处于非常重要的地位。

Employment Orientation : This major cultivates competitive engineering technical talents who are well developed morally, intellectually, and physically, are in good command of basic theories of materials synthesis and processing and comprehensive knowledge of process design and electromechanics , and will engage in work with respect to research and development, quality control, and teaching of materials synthesis and processing.

就业方向：本专业培养德、智、体全面发展，掌握材料合成、加工的基本原理以及工艺设计和机电的综合知识，进行材料合成和加工的研究与开发、质量管理和教学工作，并具有竞争能力的工程技术人才。

According to related theories,the ultraviolet spectrum of atomic materials,especially the electron energy transition around alkali metal atomic nucleus is analyzed and calculated,and the spectral line data is listed in this paper.

根据相关理论，重点对原子紫外光谱，尤其是碱金属原子核外电子的能量跃迁进行了分析和计算，列出了计算的谱线数据。

The mechanism of wetting and electroosmosis of carbon cathode is discussed by the application of surface and capillary chemistry theories, on the basis of determination of relative phenomena in this melts; The hysteresis effect of wetting angle is studied and the velocity equation of carbon cathode electroosmosis is deduced.

归纳了熔液中碳溶胶、CO〓溶胶以及Al〓C〓胶体稳定性的影响因素。（6）根据对熔液中炭阴极湿润和电渗现象的研究，通过界面化学理论和毛细管界面理论的应用，讨论了熔液中炭阴极湿润和电渗机理。研究了熔液中炭阴极湿润角滞后效应产生的原因在于测量时体系的不平衡。推导了炭阴极电渗速率的理论方程。

Curriculum theories such as elementalism , encyclopaedism , polytechnicalism and pragmatism provide a theoretical basis for constructing the school administration teaching material system and lead us to reflect on this problem from two dimensions : 1 what the school administration teaching materials generally describe should represent a complete framework for school administration activities and a typical knowledge scheme 2 the content of school administration teaching materials should not only contains the explicit knowledge of school administration activities but also provide an implicit knowledge to help readers make transformation between the two .

要素主义课程论，百科全书主义课程论，综合技术主义课程论和实用主义课程理论为我们提供了构建学校管理学教材体系的理论基础，引导我们从两个维度来思考构建学校管理学教材体系问题：一是学校管理学教材所描述的整体应该构成学校管理活动的完备的框架和典型的知识脉络，二是学校管理学的教材内容不仅要凝练学校管理活动中的显性知识，还要映射学校管理活动中的隐性知识，帮助读者实现隐性知识和显性知识之间的转换。

John Robbins lives with his family in Santa Cruz, California.

约翰罗宾和家人居住在加利福尼亚州的圣克鲁斯县。

The international background is mainly the economic ties among different nations tented to be widen and deepen at the peace and development times.

国际背景主要是和平与发展时代条件下的世界各国经济贸易联系的日益加深。