1 N-VAR (行业的)两强垄断 If two companies or people have a duopoly on something such as an industry, they share complete control over it and it is impossible for others to become involved in it. (行业的)两强垄断 [business]
2 N-COUNT (行业的)两强垄断集团 A duopoly is a group of two companies which are the only ones which provide a particular product or service, and which therefore have complete control over an industry. (行业的)两强垄断集团 [business]
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