前言国际海洋资料交换系统是在国际地球物理年(1957—1958年)期间建立的世界资料中心系统的基础上发展起来的,至今已有近二十年的历史。国际海洋资料交换系统的正式建立可追溯到1961年。当时,由于海洋在政治、经济和军事中的地位日益重要,以及大规模组织、协调国际海洋调查活动的需要,联合国教科文组织在世界许多国家和国际组织的支持下设立 INTRODUCTION The International Maritime Data Exchange System was developed on the basis of the World Data Center system established during the International Geophysical Year (1957-1958) and has been in existence for nearly two decades. The official establishment of the International Ocean Data Exchange System dates back to 1961. At that time, due to the increasingly important role of the oceans in the political, economic and military fields and the need for large-scale organization and coordination of international maritime investigations activities, UNESCO was established with the support of many countries and international organizations in the world