这项一年一度的读者票选活动由英国《Stuff》杂志开展，集通话、音乐和视频播放器功能为一体的iPhone 最新3G版手机受到青睐。
The latest version of the mobile that combines a phone with a music and video player was chosen by readers of Britain’s Stuff magazine in its annual Gadget of the Year awards.
底线是：尽管挑剔的控制，发现缤特力975是一个舒适的适应，一个伟大的功能集时尚耳机，和优秀的通话质量。
The bottom line: Despite its finicky controls, the Plantronics Discovery 975 is a stylish headset with a comfortable fit, a great feature set, and excellent call quality.
文章主要介绍基于粗集方法的普通话等级判别专家系统的基本构成、知识表达方式及学习推理方法。
The article introduction the distinguishes the expert system that can standard PSC rank based on the Rough Sets, the knowledge expression and the inference method.
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