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）cochain complex mapping上链(复)映射cofficient of variation变热系数co-operative response协作性应答Coagulation factor VIIIa凝固因子ⅧaCoccus pseudomagnoliarumn.橘软蜡蚧coUeges and universities普通高校co-integratlon testing协整检验co-opetition mechanism竞合机制Coccygidium longidorsatan.长腹褐径茧蜂；新组合coagulative myocytolysis凝固性肌溶解