电晕放电和刷毛状放电只是从放电点处逐个地发生.The corona or brush discharge, would transfer from point to point.在存在电晕的区域, 形成了大量正离子和负离子.In the region where the corona exists, large numbers of positive and negative ions are formed.利用直流高压电晕产生的非平衡...
近来，他写了大量有关替代医学的文章。Latterly, he has written extensively about alternative medicine.现代医学的发展advances in modern medicine生理学和解剖学是医学的基础.Physiology and anatomy are basic to medical science....
学过的.我学了《市场学》和《公共关系学》.现在我业余学一些艺术课程.And in my time I take some courses of art.市场学: 市场学理论 、 营销管理.Marketing: Marketing theory, sales management.一九九五年, 陈教授返回香港担任岭南学院市场学讲座教授兼商学院院长.In 1995, he returned to Hong Kong to join Ling...