《表2 长江丰平枯水年的径流量划分标准Table 2 Runoff corresponding to the aforementioned classification standard accord

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Table 2.The etching conditions of GaN corresponding to labeled A1–D3.

表3 污染特性风险等级划分标准Table 3 Criteria of risk grading corresponding to contaminants’characteristics

表1 径流丰平枯划分标准

Table 2 The peak discharge of selected rainfall-runoff events and velocities corresponding to them

表1 年径流丰平枯水年划分标准

表3 生态系统减少径流的效益系数Tab.3 Benefit coefficient of the ecological system to reduce runoff