两种检索界面 CPX Click here for Ei CompendexReb instructions WEB Welcome tsinghua University Ei Compendex Web now inc ludes Ei Page One and Compendex NEW All the 1990s records in a single searchable dat abase file Searchable abstracts for the 1980s and 1970s data Choice of relevancy-ranked or Ei publication date sorted results display Additional search fields for Boolean searching HTML conversion of all special print characters (example: $H$2So is now H,O Please select a Database Traditional interface Simplified Interface两种检索界面