There are also some full text reports, including alphabeticalindex of chemicals with first aid and emergency advice and supporting information.
还有一些报告全文，包括依字母顺序的化学品急救指导及相关信息。
2
A portal provides immediate access to all the programs and manuals, and to an alphabeticalindex that pinpoints the programs and modules to be used for specific purposes.
门户网站提供了可即时获取的所有程序和手册，以及按字母顺序排列的针对各种用途的程序和模块的目录。
3
A directory-type site might require an alphabetical list of names to look up, but this would not be a structured, topical index (as explained above).