Tang Dynasty calligrapher Ou Yangxun most Fadu life, refuses to be easily pushed many ancients.唐代书法家欧阳询平生最重法度, 不肯轻易推许古人....

abbr.file access data unit 文件访问数据单元，fluorometric analysis of DNA unwindimg 脱氧核糖核酸解旋荧光分析...

FADU的音标：...