(in the UK) Stock Exchange Automated Quotations (the computer system on which dealers trade shares and seek or provide price quotations on the London Stock Exchange).
（英国）证券交易自动报价系统
Definition of SEAQ in US English:
SEAQ
abbreviationˈsēak
(in the UK) Stock Exchange Automated Quotations (the computer system on which dealers trade shares and seek or provide price quotations on the London Stock Exchange).