Ⅰ. Tianjin Statistical Yearbook is a large-sized statistics publication to reflect various aspects of Tianjin's economic and social development, which was started in 1984 and published year after year, having become a series of yearbooks. Possessing plentiful and detailed statistical materials, the yearbook has become the most authoritative statistics publication for various circles to understand and know Tianjin.
Ⅱ. Tianjin Statistical Yearbook 2004 is written in Chinese & English, and is equipped with electric CD.
Ⅲ.Written materials in the book include:Survey of Tianjin, Statistical Communique on the 2003 National Economic and Social Development of the City of Tianjin , The Per Capita GDP of the City of Tianjin Exceeding 3,000 US$, a series of reports reflecting the development of Tianjin in 2003 and so on. In order to help readers using these statistical materials better, Explanatory Notes On Main Statistical Indicators are attached after each chapter. Whose structure is marked in the index.
Ⅳ. The major data sources of this book are obtained from annual statistical report, a few from sample surveys and materials of departments statistics.
Ⅴ. The units of measurement used in this book are internationally standard measurement units.
Ⅵ. Statistical discrepancies due to rounding are not adjusted in this book.
Ⅶ. Notations used in this book: "(blank)"indicates the data not available or the figure is not large enough to be measured with the smallest unit in the table. "#" indicates the major items of the total.When the unit is 100,000,000, weshorten some of them as 10⁸,10,000 we shorten some of them as 10⁴,so as to save the space for printing.
Ⅷ.As a result of joining with various census,change of statistics institution, data adjustment of special department and so on, some data in this yearbook are different with former yearbook.when using historical data, users should take the data of this book as standard.
Ⅸ.Since Tianjin Statistical Yearbook had been published openly, we have been concerned and supported by the readers at home and abroad.They advance much valuable suggestion on content and edition of the yearbook, we deeply thanks for this all. Based on our limited level, perhaps there are some mistakes in this book, we welcome all of the readers give us your criticism in order to help us further improving our edition level,and providing services for the readers better. 

　　Tianjin Statistical Yearbook 2004(electric version) is a new type reading tool.It is equipped with beautiful interface and HTM files.You have the aid of computer to use the CD and it is convenient for you to search & read materials and print. Electric edition will be more popular along with the development of science and technology. 
Hardware Requirement: PC 586 or higher with VGA and mouse 
Software Requirement: WIN9X/WIN2000/XP,Internet Explorer 5.0 or higher, resolution 800*600 
Usage Method: Insert CD into CD-ROM, then Yearbook program will start or to run \2004nj\index.htm 

新出音管［2004］207号 

ISBN 7-89995-641-2/Z·014