These types of software are developed for special purposes only, as for inquiries about Taipei streets or a bank account. Their special feature is that the data being sought is fixed and of a limited scope.
這些軟體多半是針對特定功能所設計，比如說台北街道名稱查詢、銀行帳戶語音查詢等，他們共同的特點是查詢的資料固定，而且範圍不至於太大。