something that decides or limits the way in which something can be done 决定因素;规范;范围 to set/define the parameters 制订/设定规范 We had to work within the parameters that had already been established. 我们必须在已设定的范围内工作。
Oxford Collocations DictionaryParameter is used after these nouns:- performance
Word Originmid 17th cent.: modern Latin, from Greek para- ‘beside’ + metron ‘measure’.