Nuance Dragon NaturallySpeaking Preferred 9 EN, 語音辨識, PC, 1000 MB, 512 MB, Intel Pentium / AMD 1 GHz, Microsoft Windows XP (SP1) Home & Professional, 2000 (SP4).
Nuance Dragon NaturallySpeaking Preferred 9 EN. 類型: 語音辨識. 平台: PC, 最小硬碟空間: 1000 MB, 最小RAM: 512 MB. 支援介質類型: CD-ROM