You will not need the development package yet, but when it comes time to integrate Rails and postgresql, you will need the libraries inside postgresql-devel.
您现在还不需要开发包，但当您需要集成Rails和postgresql时，您将需要postgresql - devel中的库。
Finally. by initially inquiring into the relationship between thinking in images and map design expert system, the authors think that it is helpful for the devel...
通过对形象思维与地图设计专家系统关系的初步探讨，认为对形象思维的研究有助于地图设计专家系统的研制。
Results indicate a strong correlation between model predicted and subjective data, and therefore proved the devel-oped model an effective index for subjective low-frequency perception.
结果表明， 低沉度模型的预测结果与主观评价结果具有很高的相关性， 从而证明了所提出模型的有效性。
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