(A) the term "hydro Yearbook" is a specialized trade yearbook, the hydropower industry in the country mainly for planning, surveying, design, construction, research, consulting, construction management, equipment manufacturing, production run, academies of engineering and technical personnel teachers and students and all levels of the relevant leaders and experts. (B) the volumes of the Yearbook of the data period is 2009, in descending order for the XIV. Frame from the table of contents, columns, composed of three levels of entries, a total provision of 18 study items and 52 columns, 453 entries. Are separated from each table of contents page lists, columns, entries were used to pass column names, double bar and shop to print a different shading to show eye-catching. (C) editing the volumes of the Yearbook, Deng Xiaoping Theory and "Three Represents" as guidance to implement the scientific concept of development, in accordance with the national "do a good job in protecting the environment and the premise of the resettlement work actively develop hydropower," and , strive to be comprehensive and truly reflect the year 2009 in all aspects of the hydropower industry achievements and technological progress, so that "big does not leak, not on the little things", to better serve the hydropower industry. (D) the volumes of the Yearbook of the frame structure remained relatively stable, a provision of the basic table of contents for the water feature professional content. In 2009, coincided with the 60th anniversary of founding of new China, the volumes of the Yearbook of the featured table of contents special edit of the "60 Years of New China Hydropower" section to commemorate the development of hydropower construction of new China's glorious history. In view of the development of wind power in the new energy plays an important role, in recent years a number of hydropower development, the construction sector has been actively involved, the volumes of the Yearbook is still in the "anti-wind energy development and water," table of contents listed in the "Wind Energy Development" section to reflect the construction of wind power, status and prospects of development. (E) the implementation of the Yearbook responsible for their post, the content of each item, data, illustrations by the authors correctly checked by the relevant units of the validation, verification. (F) the implementation of the volumes of the Yearbook editor editor responsibility. Editor responsible for the overall framework of the structural design, consultation, soliciting contributions and trial, etc.; the contents of the editor responsible for the manuscript collection, modify, organize, organize. "Featured" table of contents from the Fengshan Bing, Cai Mingchang editing; "medium-sized hydropower project", "Hydraulic Design", "People, organizations and academic groups", "statistics", "Events" table of contents edited by Wong Jing Wu; " Engineering Investigation, "" Civil Construction "," hydropower construction management "," Environmental Protection and Resettlement "," comprehensive benefits of hydropower projects "table of contents edited by the Wang Dongdi;" electrical, mechanical and metal structures "," international cooperation and technical exchange " "technical standards and technology books", "Hydropower production run," Table of Contents trillion by the Church often edited; "Water and wind energy development", "scientific research and technological innovation", "rural electrification" table of contents edited by the Caiming Chang; In addition, Zhang Jingjing translated by the English directory. (G) "hydro Yearbook of China" always adhere to the political seriousness, accuracy of the information, content, comprehensiveness, scientific, practical and continuity of the historical responsibility, responsibility for future generations. Informative editorial process and strive to, language specification, the text concise. However, due to the limited level, is wrong, omissions or mistakes are inevitable, critical readers please correct me.