Faced with the large mounts of increasing spatial data, a terminal user has more difficulty in understanding them without the helpful knowledge from spatial databases.

面对持续增长的海量空间数据，用户难以在没有知识辅助的情况下完全理解数据。

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When people read to gain knowledge about science, reading paper books is more helpful.

当人们通过阅读来获得科学知识时，阅读纸质书籍更有帮助。

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Specific knowledge of JMS is not necessary but helpful.

JMS的专门知识不是必需的，但会有帮助。

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But it is helpful knowledge because it enables Mophie to design a series of iPhone 5 (external) charging accessories that will be ready in time for the new handset.

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Knowledge of the pattern can also be helpful in preventing an emotional reaction to events.

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When you are entering a media interview, it is sometimes helpful to think of deleting your entire database of knowledge, except for your three main message points.

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