该书收录了从1949年10月1日至1991年9月30日止共42年时间内中华人民共和国发生的政治、经济、军事、文化、科技、教育、外交等各个方面的大事。收录时间之长,收录内容之广,都为研究中华人民共和国各个时期,各个方面的历史提供了极大的方便条件。该书采用逐日、逐月、逐年编写的方式,把42年时间内每天发生的重大事情均按时间的推移做了如实收录,使这部工具书查阅起来尤为方便。这种编写方 The book contains all the major events in the political, economic, military, cultural, technological, educational and diplomatic fields in the People’s Republic of China that took place during the 42-year period from October 1, 1949 to September 30, 1991. The collection of time, collection of content is wide, all for the study of the People’s Republic of China in various periods, all aspects of the history provides a great convenience conditions. The book uses day-by-day, month-by-month, year by year preparation of the way, the 42-day period of major events occur every day according to do a true record, make this reference book is more convenient. This preparation side