a person's ability to do more than one thing at a time:
Thesaurus: synonyms and related words
Busy and active
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the ability of a computer to operate several programs at one time:
Computer concepts
the ability to do several different jobs at the same time:
IT a computing process that allows a computer to operate several different programs at the same time:
英语词典包含110679条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。