ACWn.交流等幅波ACabbr.(=alternating current)交流电abbr.(=actinium )元素锕abbr.(=air-conditioning )空气调节Acoelomata无腔亚部acanthella棘头蚴,棘头体Acryl acid丙烯酸acrycamide丙烯酰胺Acantharia棘骨虫亚纲AC counter交流计数AC-drive交流传动acadialite红斜方沸石, 红菱沸石acrammerin阿克拉莫林Acanthopis棘蛇属