右上角的数据范围选项可用来选择数据范围，与以往数据的对比也很便捷。

By using the date range option on the top right corner, you can select your date range and also easily compare to past dates.

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它包括的操作有对比度增强、剪切、缩放、几何弯曲和频率范围处理。

It includes such operations as contrast enhancement, cropping, scaling, geometric warping, and frequency domain processing.

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对比去年来自71个国家的1700份调查，2006年来自47个国家的722份调查，这次范围更广。

This compares to around 1700 surveys from 71 countries last year, and 722 surveys from 47 countries in 2006.

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