Nuance Dragon NaturallySpeaking Preferred 9 EN, 语音识别, PC(聚碳酸酯), 1000 MB, 512 MB, Intel Pentium / AMD 1 GHz, Microsoft Windows XP (SP1) Home & Professional, 2000 (SP4).
Nuance Dragon NaturallySpeaking Preferred 9 EN. 类型: 语音识别. 平台: PC(聚碳酸酯), 最小硬盘空间: 1000 MB, 最低内存: 512 MB. 支持媒体播放类型: CD-ROM