duopoly，英语单词，主要用作名词，作名词时译为“两家卖主垄断市场（的局面）；双头垄断市场”。

柯林斯英汉双解大词典

duopoly /djʊˈɒpəlɪ/ ( duopolies )

1.N-VAR 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. 两强霸权 [商业]

2.N-COUNT 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. 两家寡头集团 [商业]

Duopoly games 双占赛局

duopoly firms 双寡头企业 ; 双头垄断

asymmetric duopoly 不对称双寡头

Pure Duopoly 纯寡头市场

duopoly competition 双寡头竞争

duopoly equilibrium 寡占均衡

Cournot Duopoly 古诺双寡头模型

duopoly rule 寡占法则

duopoly policy 双寡头垄断政策