Noun:

1. sweet flags; sometimes placed in subfamily Acoraceae

ACLAn.微处理机单元异步通信接口适配器接口信号ACabbr.(=alternating current)交流电abbr.(=actinium )元素锕abbr.(=air-conditioning )空气调节Academe of Sciences科学院acadamic activities思想学术Aconitum polyanthumn.多花乌头acacetin-trioside金合欢素三糖苷aconitase inhibitor顺乌头酸酶抑制剂Acrochaetium humilen.矮生顶丝藻AC servo technology交流伺服技术Aclerda yunnanensisn.云南仁蚧acyclic nucleosides开链核甙acyclic oscillation非周期性振动

1. The controversy about the classification and systematic position of Acorus L. has lasted for about two century.
   摘要菖蒲属的分类和系统地位近两个世纪以来一直存在较大的争议。