This means upgrading the nationwide electrical grid to prevent power outages and shore up weak spots.

这意味着升级国家电网，防止断电和优化薄弱环节。

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To sum up, more the grid is specific, more the sequence number must be weak.

概括起来，更多的网格是具体的，更多的序列号，必须薄弱。

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Here, the general situation of South China power grid is introduced and the main problems in this grid such as weak damping and inadequate dynamic voltage supporting ability, etc.

本文介绍了电网概况，分析了电网运行中存在的弱阻尼、动态电压支撑能力不足等主要问题。

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