The reason is that automatic approach and landing by only GPS based guidance may have large position errors.

原因是仅依靠GPS导航的自动接近和着陆，可能有较大的位置误差。

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In this paper, an automatic approach for thresholding based on gray level gradient co occurrence matrix model and the maximum entropy principles is proposed.

提出了一种基于灰度-梯度共生矩阵模型和最大熵原理的自动阈值化方法。

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In this paper, an automatic approach for extracting main city roads based on straight lines is developed, in which main city roads are modeled according to their characteristics in the image.

该文根据城市主要道路在图像中的特性进行了模型化处理，进而提出了基于直线的、自动提取的方法。

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Everbridge also has a weather tracking system, and emergency managers can use that to send out automatic notifications as different weather events approach their areas.

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Like nail-biting and interrupting, this patterned, almost automatic behavior needs to be broken with a specific and proactive approach one that uses old-fashioned goals, motivating tactics, and rewards.

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While Dish Network has been under the heat from media companies over its Hopper DVR that allows automatic ad skipping, Time Warner Cable seems to be adopting an opposite approach.

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