Get the vulnerability grade of water supply network through index value of the water node.
由用水节点的脆弱性指标值，得到给水管网的脆弱性等级。
Furthermore, highway network mostly is the trouble of technical grade and service low.
中小城市的道路网普遍存在着公路网技术等级低、服务水平差等问题。
Supplies, the valuable network information high grade is the search engine unremitting pursue.
提供高质量、有价值的网络信息是搜索引擎不懈的追求。
Supplies, the valuable network information high grade is the search engine unremitting pursue.
提供高质量、有价值的网络信息是搜索引擎不懈的追求。
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