PDA  
noun [ C ] uk/ˌpiː.diːˈeɪ/ us/ˌpiː.diːˈeɪ/
  (COMPUTER)      
 个人数字助理,掌上电脑(personal digital assistant的缩写)
abbreviation for  personal digital assistant : (= a small computer that you can carry with you)
 Compare: personal organizer
 
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