Cosenn.科曾COSabbr.装货付款（=cash on shipment）cosuppression effect共抑制效应COSPAS SARSAT system一种静止通信卫星的幸存者救援系统名Cosplay costume play道具玩，动漫真人秀cosmogenous component宇宙成因组分Coscinodiscus angstiin.安氏圆筛藻Coscinodiscus tumidusn.膨胀圆筛藻cosinoidal modulation余弦调制Coscinodiscus divisusn.多束圆筛藻Cosmarium abbreviatumn.短鼓藻Cosmarium wittrochkiin.威特鼓藻