通过使用这些被其称为缓存区的数据，苹果公司可以比使用全球定位卫星更快地算出手机的位置。
Apple said it used the data, which it called a cache, to calculate a device's location more quickly than through GPS satellites.
不过这份最新的专利中所描述的临近检测技术则 可以感应出手指与触屏之间的间隔距离，并可以感应出尚未接触屏幕的手指在屏幕坐标上的投影坐标位置。
The latest patent describes proximity detection systems that can determine the distance between a finger and a display, along with its x and y coordinates above the interface.
通过分析每个条纹升降的方式，系统软件在不到一秒的时间里就可构造出手指表面的三维模型，保证每个峰谷都处在各自合适的位置上。
By analyzing the way each line rises and falls, the software builds a 3-d model of the surface of the finger in less than a second, with each ridge and valley in its proper place.
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