求翻译：此次农网改造更加注重县级电网的可靠性和安全性的建设，这与之前农村电网改造注重覆盖面相比有了很大的不同。是什么意思？

The rural power grids more attention to the construction of county power, reliability and security, before rural power grids focus on coverage compared with the big difference.

This network even more focus on county grid reliability and security of the building, before the grid transformation concentrate on rural coverage compared with the very different.

This agricultural network transforms even more pays great attention to the county level electrical network the reliability and the secure construction, this transformed the attention coverage with before countryside electrical network to compare had the very big difference.

The alteration of power NET in a greater focus on the construction of county-level power grid reliability and security, which compared with the rural power grids before focusing on coverage are very different.

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