To monitor the subordinate unimportant load so as to ensure power supply of main system There are two patterns of load monitoring from which users can choose one at random.
负载监控功能Load monitoring function用于监控下级不重要负载，保证主系统供电；负载监控有两种方式可选，用户任选其一。
This paper analyses the principal and subordinate relationship between groundwater pollution indexes by using pollution load ratio and gray relation analysis method.
运用污染负荷比和灰关联法递阶分析了矿山地下水污染物的主从关系，确定了矿山地下水的主要污染指标；
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