With examples of the dot-charge pair system,the characteristics of equipotential surface,the distribution of the electric field intensity and the relationship between electric potential and electric field intensity are discussed.
用MATLAB程序演示了多个点电荷组成的点电荷系激发的电势分布立体图和场强分布图,结合图像探讨了电荷对称分布情况下,点电荷系的等势面及电场分布的特点以及场强与电势之间的关系。
On the basis of a coordinate surface in the orthogonal curvilinear coordinate system and the curve orthognolity determined by other two coordinate surfaces, an isolated conductor or a system of conductors is cleverly designed and the equation of equipotential surface to meet the boundary condition is set up.
以正交曲线坐标表系中的一个坐标面必与另外两个坐标面决定的曲线正交为基础,巧妙设置孤立带电导体或导体组,建立起满足边界条件的等势面方程,应用已知等势面族方程求电势公式,求解了一类特殊的导体静电问题。
We obtain the series solution of the potential of a uniformly charged disc and its equipotential surfaces using the superposition theorem.
根据电势的叠加原理 ,导出了均匀带电薄圆盘电势的级数表达式 ,并进而给出了等势面方程 。
Control of electric charge distribution by curvature of equipotential surface and electric field strength;
等势面曲率和场强对电荷分布的制约
On the Situation and Trend of Chinese Higher Education;
我国高等教育面临的形势与发展趋势
non-verbal communication,ie gestures,facial expressions,etc
非言语交际（手势、面部表情等）.
Comparative Advantages of Higher Education Service in Hunan Province on Educational Supply;
湖南高等教育服务在教育供给方面的比较优势
The Cause for the Present Situation of Vulnerable Groups among Rural Youth Accepting Senior Education and Countermeasures;
农村弱势青年接受高等教育面临的问题及对策
Position and Develop Strategic of University for Yangtse Delta;
长江三角洲高等学校面临的形势与发展战略
The Situation and Countermeasures Facing Local Normal Colleges after China s Entry to WTO;
入世后地方高等师范院校面临的形势与对策
The Situations and Countermeasures Faced and Taken by Chinese Agricultural Universitives With China s WTO Entry;
加入WTO后我国高等农业院校面临的形势与对策
21st Century Higher Education in China Faces New Situation and New Problems;
21世纪中国高等教育面临的新形势和新问题
The New Situation and Target of Colleges and Universities in the 21st Century;
新世纪高等院校面临的新形势和新任务
The tendency of the curriculum reform in primary education abroad;
国外面向21世纪初等教育课程改革的趋势
Facing the 21 Century a Research on the Physical Developing Trend of Colleges and Universities;
面向21世纪高等学校体育发展趋势的探讨
Analysis of the direction of shear fracture trend surface in triaxial unequal stress fields
三轴不等应力场下剪切破裂趋势面方向探析
In front of the new situation, various countries should strengthen coordination and cooperation in international trade, finance and other fields.
面对新形势，各国应加强在国际贸易、金融等方面的协调与合作。
We still feel pressure from developed countries as they have the upper hand in such fields as the economy, science and technology.
我们仍然面临发达国家在经济科技等方面占优势的压力；
Speaking in favor of Beijing in bidding for the 2008 Olympic Games, Mr.Karl said that Beijing has many advantages such as in economy, stadium facilities and traffic.
卡尔先生表示北京申办2008年奥运会有许多优势比如经济优势，场馆设施，交通等方面的优势。
Only when the middle peasants see clearly which way the wind is blowing and only when victory in the revolution is within sight will they come in on the side of the revolution.
等到看清了大势，革命将要胜利的时候，中农才会参加到革命方面来。
The stability of the jet flows under strong magnetic field was explained with its velocity, induced potential and current.
从射流的感应电势、电流、速度等方面，解释射流在磁场中稳定的原因。