coakn.扣榫；栓销(木工)凹榫槽COpref.共同；一起；联合abbr.公司（=company）abbr.郡；县（=county）abbr.指挥官（=Commanding Officer）Cournot rs duopoly model库尔诺的双头垄断模型co-branding agreements共用品牌协议co-simulation platform联合仿真平台Co-stimulatory pathway共刺激通路coagulation accelerators促凝剂co-occurrence sentence共现句式co-metabolic substance共代谢基质cochain complex homotopy上链复同伦covalent bonded material共价键材料Coquillettidia crassipesn.粗腿轲蚊