The acronym "CAS" stands for "chemical Abstracts service," a division of the American chemical Society that provides comprehensive electronic chemical information services.
首字母缩略词CAS指化学摘要登记号，美国化学会的一个部门提供全面的电子化学信息服务。
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As a help to both domestic and international travelers, the AmericanSocietyfor the Prevention of Cruelty to Animals web site has a wealth of pertinent information.
为了方便国内和国际旅客，美国防止虐待动物协会的网站上有大量的有用信息可供参考。
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Neither the American Welding Society, Inc. or Moody International China assume responsibility for the information contained in this publication.