根据我国目前台站工作状况,和台站工作人员热切需要提高分析解释水平的愿望,本刊拟将举办一系列有关地震地磁基础知识讲座。作为基础地震学的内容之一,特邀请国家地震局地球物理研究所张少泉同志主持就有关震相问题举办题为《震相概述》的讲座。全部内容是:第一件震相定义;第二讲震相基础;第三讲震相类型;第四讲震相应用;第五讲震相识别。自本期开始,每期刊出一讲,连续进行发表。举办学术讲座,本刊尚属初次,更缺乏经验,所介绍的内容是否能很好满足读者要求,希望广大读者及时提出宝贵意见。同时我们也希望广大读者就文中各方面问题开展讨论,并欢迎来函来稿提出意见和要求,以及批评和建议等,以改进我们的工作。来函请寄本刊编辑部即可。 According to the current state of station work in our country and the desperate need of station staff to improve the level of interpretation and interpretation, we plan to hold a series of lectures on the basic knowledge of geomagnetic earthquakes. As one of the basic contents of seismology, Comrade Zhang Shaoquan from Institute of Geophysics, State Seismological Bureau specially invited to hold a lecture entitled “Overview of Earthquakes” on the phase of the earthquake and phase. The whole content is: The definition of the first seismic phase; The second phase of seismic facies; Lecture phase type; Lecture on the fourth phase; Since the beginning of this issue, each issue a lecture, published continuously. Organizing academic lectures, magazine is still the first time, more inexperienced, the content is introduced to meet the reader’s requirements, I hope the majority of readers in a timely manner to put forward valuable opinions. At the same time, we also hope that our readers will discuss the various aspects of the paper and welcome comments and suggestions as well as comments and suggestions in order to improve our work. Please send a letter to our editorial department.