事实上在九月份，亚马逊搞的营销活动的目标定位明确：他们比iPad更好。同时我便写了一篇类似的文章予以回击。

In fact, I wrote a similar tirade back in September when Amazon began a marketing campaign specifically targeting the ways it was superior to the iPad.

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当你把目标定的比通常高一些时，可能会收到令人惊叹的效果。

Amazing results happen when you aim higher than you normally do.

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针对这个问题，提出了一种基于双重交比不变的线结构光视觉传感器的标定方法，设计了相应的标定靶标。

To address this problem, a method basing on the invariance of double cross ratio is proposed for calibrating structured-light-stripe vision sensor, and the calibration target is designed.

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