Although spatial computations and comparisons are sufficient for many application, it is sometimes also very helpful for humans to visualize the data in your database.

虽然对于很多应用程序来说空间计算和比较已经足够，但是有时候将数据库中的数据可视化还是很有帮助的。

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This does require some time and patience. Crate training your dog can also be very helpful when you have to leave for longer periods of time (see Resources below for links to crate training articles).

这确实需要一些时间和耐心。如果你需要离开很长的一段时间，笼内训练法同样非常有效。(参见文后的关于笼内训练法的链接)。

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It is also often very helpful to have a data architect available and involved in this process as they typically understand the physical constraints and structural aspects of the data sources.

让数据架构师参与这个过程常常非常有帮助，因为他们通常了解数据源的物理约束和结构特性。

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Trans fats and saturated fat are also labeled on here and those are very helpful things.

反式脂肪和饱和脂肪也被列了出来,这是非常有用的信息

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The book is also full of statistics and references (via footnotes), and this I found very helpful.

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It is also true that our cooperation with Pakistan has been extremely important, and that Pakistan has been very helpful to the United States in our fight against al Qaeda in particular.

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