[countable, usually plural] (abbreviation reg) an official rule made by a government or some other authority章程；规章制度；法规；规则◆accounting/environmental/financial/safety regulations会计规则；环境／金融条例；安全规程◆the rules and regulations of corporate life公司的规章制度 [uncountable] controlling sth by means of rules（运用规则条例的）约束，控制，管理◆the voluntary regulation of the press新闻出版业的自律 OPP deregulation building regulation