With data coverage throughout the year, you can keep track of educational information throughout the school and even the entire city.

由于全年都有数据覆盖，整个学校甚至是整个市区的教育信息你都能了如指掌。

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Also, when you go to big events, data coverage doesn't always work well.

要知道，当你参加重大活动时，数据服务有时也会出现问题。

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Arguably, the best web-based data source is the USGS Seamless data Server (see Resources), which offers an enormous amount of data coverage.

可以说，最好的基于web的数据源是USGS Seamless Data Server(见参考资料)，它提供了大量的数据。

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By examining historical price data as mobile-phone coverage was extended down the coast between 1997 and 2001, Mr Jensen was able to show that access to mobile phones made markets much more efficient.

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By examining historical data for the price of fish as mobile-phone coverage was extended down the coast of Kerala in southern India between 1997 and 2001, for example, Robert Jensen of Harvard University showed that access to mobile phones made markets much more efficient, eliminating wasted catches and thereby bringing down consumer prices by 4% and increasing fishermen's profits by 8%.

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