COSSn.通用对象服务功能规范COSabbr.装货付款（=cash on shipment）Cosmiola simplexn.协库螋cosecant antenna余割天线cosolvent effect共溶效果Coscinodisoideaen.圆筛藻亚科Cosmiella setosan.散毛库螋coseismic change同震变化coscinocystidium筛丝囊状体Coscinodiscineaen.圆筛藻亚目Cosmia restitutan.白斑兜夜蛾Coseismic effect同震效应