It studies the anatomic structure and motion features of human hand and discusses the principles and functions of data glove and positioning tracker.

研究了人手的解剖结构和运动特点，探讨了数据手套的原理和功能以及位置跟踪器的功能。

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The mapping method based on magnetic tracker can be extended to the motion tracking of multi-kind of operation guide system or virtual reality system.

基于磁定位器的映射方法可以应用到多种手术导航或虚拟现实的运动跟踪中。

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Apple raced past Research In Motion to become the second largest smartphone vendor in the first quarter, tech tracker IDC reported Friday, as the worldwide smartphone market grew 79.7% to 99.6 million units from 55.4 million units during the first quarter of 2010.

FORBES: Apple Pulls Ahead Of RIM In Smartphones