By analyzing the variation of welding current, offset information obtained in order to achieve underwater seam tracking.

通过分析焊接电流的变化规律得到偏差信息从而实现水下焊缝跟踪。

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Next, determine what page you currently need to display and use that information to determine the offset, or number of records to skip.

接下来，确定当前所需显示的页面，并使用这个信息确定偏移量，即需要跳过的记录条数。

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If we need now to write or read information from it we just call the map view methods with the correct offset.

如果我们现在就要从内存映射文件读或写信息，只需要调用带有正确偏移量的映射视图方法就行了。

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On an offset press, for example, since the information to be printed is burned onto metal plates, it cannot be altered.

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They supplied us with arrival data for the largest U.S.-based airlines for the last three holiday seasons, which we define as Nov. 20-Dec. 1 for Thanksgiving and Dec. 20-Jan. 6 for the winter holiday. (We examined only arrivals because departure delays can often be offset once a plane is airborne.) The U.S. Department of Transportation also tracks flight information for the holiday season, but FlightStats' list of airlines is more comprehensive.

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And in the developed world, farmers now have access to an explosion of information on the internet, from seed companies, from input suppliers, and others which has helped to offset the shrinking funding for extension services.

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